medicationPrescription only (US)Approved for female ovulation induction; male use is off-labelProhibited in sport (WADA S4)
Clomiphene CitrateBenefits, Dosage & Interactions
Also known as: Clomid
Clomiphene citrate, often known by its brand name Clomid, is a synthetic, non-steroidal ovulatory stimulant. It belongs to a class of drugs called selective estrogen receptor modulators (SERMs). The reported plasma half-life is about 120 hours, which shapes dosing frequency.
How much Clomiphene Citrate do people take?
The pooled male-hypogonadism studies used 25–50 mg daily or every other day. Route reported: Oral. Frequency reported: Daily or every other day in the reviewed studies. These are amounts documented in the cited studies and labels for Clomiphene Citrate — they are reported for reference, not a recommendation. Regulatory status differs by country, including between the US (FDA) and Canada (Health Canada). Confirm any amount with a licensed clinician before you take it.
See the full reported protocol and its sourcesResearched by DoseRoutine Research TeamReviewed for accuracy by Nicholas Alexander, RSE, SO, PMPLast updated Educational reference only — not medical advice. Always confirm dosing and safety decisions with a licensed clinician.
Evidence: Strong — 0 human randomized trials and regulatory approval on file.
Evidence strengthStrong · 4/4
PreclinicalStrong human evidence
0 human randomized trials and regulatory approval on file.
Plasma half-life
5–7 days
Default unit
mg
What published protocols report
Ranges documented in the literature, shown for reference. DoseRoutine does not recommend an amount — your prescriber or the product label sets the dose.
Reported for Clomiphene Citrate in the cited sources. Published ranges are not dosing advice.
References & evidence
Documents the Clomiphene Citrate entry is written from. Each number matches an inline marker above.
- [1]Clomiphene citrate for men with hypogonadism: a systematic review and meta-analysisHuijben M, Lock MTWT, de Kemp VF, et al. · Andrology · 2022 · Peer-reviewed · PMID 34933414
- [2]Clomiphene Citrate for the Treatment of HypogonadismWheeler KM, Sharma D, Kavoussi PK, et al. · Sexual Medicine Reviews · 2019 · Peer-reviewed · PMID 30522888
References & Evidence
Sources on this page that document Clomiphene Citrate dosing, timing and safety.
- [1]U.S. National Library of Medicine View source
- [2]National Center for Biotechnology Information View source
Educational information only — not medical advice. Dose ranges vary by person, indication and prescriber.
What is Clomiphene Citrate?Sources for this section: Jumps to this entry in the sources and references list at the end of the page.
Clomiphene citrate, often known by its brand name Clomid, is a synthetic, non-steroidal ovulatory stimulant. It belongs to a class of drugs called selective estrogen receptor modulators (SERMs). Primarily, it is used to induce ovulation in women who are anovulatory or oligo-ovulatory and desire pregnancy. In some cases, it is also used off-label in men for conditions such as secondary hypogonadism, though this use is not FDA-approved for clomiphene citrate itself but rather generally for SERMs with similar actions. (DrugBank, FDA label)
Clomiphene acts by blocking estrogen receptors in the hypothalamus, which leads to an increase in the pulsatile secretion of gonadotropin-releasing hormone (GnRH). This, in turn, stimulates the pituitary gland to release more follicle-stimulating hormone (FSH) and luteinizing hormone (LH), essential hormones for follicular development and ovulation. (FDA label)
It is typically taken orally for a short duration during the menstrual cycle. The decision to use clomiphene citrate, along with the precise dosage and duration, must be determined by a qualified healthcare professional, after a thorough evaluation of the individual's medical history and current condition. (MedlinePlus)
What does the research say about Clomiphene Citrate?
Tap a section to expand.
Clomiphene citrate functions as a selective estrogen receptor modulator (SERM). Its primary mechanism of action involves binding to estrogen receptors in the hypothalamus, a region of the brain that plays a critical role in regulating hormone production. By doing so, clomiphene citrate competitively inhibits the binding of endogenous estrogen to these receptors. (FDA label)
Normally, estrogen provides negative feedback to the hypothalamus and pituitary gland, signaling them to reduce the production of GnRH, FSH, and LH. When clomiphene citrate occupies the estrogen receptors, it prevents this negative feedback. The hypothalamus interprets the lower estrogenic signal as an indication of low estrogen levels, even though actual estrogen levels might not be low. (PubChem)
In response to this perceived lack of estrogen feedback, the hypothalamus increases its pulsatile secretion of gonadotropin-releasing hormone (GnRH). GnRH then travels to the anterior pituitary gland, stimulating it to release increased amounts of follicle-stimulating hormone (FSH) and luteinizing hormone (LH). (FDA label)
FSH is crucial for stimulating the growth and development of ovarian follicles, which contain eggs. LH, in conjunction with FSH, plays a key role in the final maturation of the egg and triggers ovulation. By enhancing the release of these gonadotropins, clomiphene citrate aims to induce follicular development and subsequent ovulation in women who do not ovulate regularly on their own. (DrugBank)
In men, off-label use of clomiphene citrate aims to increase endogenous testosterone production by a similar mechanism. By blocking estrogen receptors in the hypothalamus/pituitary, it reduces negative feedback, leading to increased release of FSH and LH. LH then stimulates the Leydig cells in the testes to produce testosterone. (NIH ODS)
Source for this section: Sources for How does Clomiphene Citrate work?: Jumps to this entry in the sources and references list at the end of the page.
The primary recognized medical benefit of clomiphene citrate, specifically for which it is FDA-approved, is to induce ovulation in anovulatory or oligo-ovulatory women desiring pregnancy. (FDA label)
1. **Induction of Ovulation:** For women who do not ovulate regularly or at all, clomiphene citrate can stimulate the ovaries to produce and release an egg, thereby increasing the chances of conception. This is particularly beneficial for conditions like polycystic ovary syndrome (PCOS), where irregular or absent ovulation is common. (Mayo Clinic)
2. **Increased Chance of Pregnancy:** By restoring ovulatory function, clomiphene citrate significantly improves the likelihood of pregnancy in appropriate candidates. (Cochrane)
3. **Cost-Effectiveness and Oral Administration:** Compared to more complex fertility treatments like injectable gonadotropins or in vitro fertilization (IVF), clomiphene citrate is an oral medication, making it less invasive, generally more accessible, and often more cost-effective as a first-line treatment for ovulatory dysfunction. (MedlinePlus)
In some instances, clomiphene citrate is used off-label in men for secondary hypogonadism, aiming to increase natural testosterone production by stimulating LH and FSH. However, this is not an FDA-approved indication for clomiphene citrate specifically. (NIH ODS)
For `muscle` related goals, individuals sometimes use clomiphene citrate to mitigate or prevent the estrogenic side effects or the suppression of natural testosterone production that can occur after cycles of anabolic androgenic steroids. By acting as a SERM, it can help block estrogen receptors and stimulate natural testosterone recovery. This is an off-label and unapproved use. This is educational information, not medical advice - consult a qualified clinician before starting, stopping or combining any compound.
Numerous studies and clinical trials have supported the efficacy of clomiphene citrate in inducing ovulation and increasing pregnancy rates in anovulatory women. A review published by Cochrane evaluated the effectiveness of ovulation induction treatments and highlighted clomiphene citrate as a commonly used and effective initial treatment for women with ovulatory infertility. (Cochrane)
Specifically, for women with PCOS who are anovulatory, clomiphene citrate has been shown to result in ovulation rates of 70-80% and pregnancy rates of 30-40% over several cycles. However, the exact success rates can vary depending on individual patient characteristics, such as age, body mass index (BMI), and other contributing factors to infertility. (Mayo Clinic)
While highly effective for ovulation induction, the evidence regarding its long-term safety and specific outcomes compared to newer treatments is continuously evaluated. For off-label uses, such as in men for secondary hypogonadism or for post-cycle therapy in anabolic steroid users, evidence is less robust from large-scale, FDA-approved clinical trials and often comes from smaller studies or anecdotal reports. (NIH ODS)
Clomiphene citrate can cause a range of side effects, some of which are common and generally mild, while others can be more serious. (FDA label)
Common side effects include:
* Hot flashes
* Abdominal discomfort (bloating, pain)
* Nausea and/or vomiting
* Breast tenderness
* Headaches
* Blurred vision or other visual disturbances (e.g., spots or flashes)
* Dizziness, lightheadedness
* Nervousness, insomnia
Less common but more serious side effects may include:
* **Ovarian hyperstimulation syndrome (OHSS):** This is a rare but potentially serious condition where the ovaries become swollen and painful. Severe OHSS can lead to fluid accumulation in the abdomen and lungs, kidney problems, and blood clots. Symptoms include severe abdominal pain, bloating, rapid weight gain, shortness of breath, and decreased urination. (MedlinePlus)
* **Multiple pregnancies:** Clomiphene citrate increases the chance of multiple births (twins, triplets, etc.) due to the stimulation of multiple follicles. (FDA label)
* **Ovarian enlargement:** The ovaries may become enlarged and tender, which usually subsides, but warrants medical attention if pain is severe.
* **Visual disturbances:** While often temporary, persistent or severe visual symptoms should be reported immediately, as they may indicate a more serious issue.
* **Mood changes:** Some individuals report mood swings, depression, or irritability.
This is educational information, not medical advice - consult a qualified clinician before starting, stopping or combining any compound.
Source for this section: Sources for What are the side effects of Clomiphene Citrate?: Jumps to this entry in the sources and references list at the end of the page.
Several warnings and precautions are associated with the use of clomiphene citrate: (FDA label)
* **Ovarian Hyperstimulation Syndrome (OHSS):** Patients should be monitored for signs and symptoms of OHSS, particularly during and shortly after treatment. If symptoms appear, treatment should be discontinued, and medical attention sought immediately. The risk of OHSS is increased in patients with Polycystic Ovary Syndrome (PCOS). (MedlinePlus)
* **Visual Symptoms:** Patients should be advised about the possibility of visual disturbances. If any visual symptoms occur (e.g., blurred vision, spots or flashes), treatment should be discontinued, and a thorough ophthalmological examination should be performed. These symptoms may be irreversible in some cases.
* **Multiple Pregnancies:** The increased incidence of multiple gestations (primarily twins) should be discussed with patients before initiating treatment. (FDA label)
* **Ectopic Pregnancy:** While clomiphene citrate increases the rate of intrauterine pregnancies, it does not reduce the risk of ectopic pregnancy in infertile patients.
* **Liver Disease:** Clomiphene citrate is metabolized by the liver, so it should not be used in patients with active liver disease or a history of liver dysfunction.
* **Pre-existing Ovarian Cysts:** Clomiphene citrate should not be administered in the presence of an ovarian cyst not due to polycystic ovary syndrome, as it may exacerbate ovarian enlargement.
* **Underlying Causes of Infertility:** A thorough diagnostic evaluation should be performed before treatment to exclude other causes of infertility that would not respond to clomiphene citrate, such as primary ovarian failure or pituitary tumors. (Mayo Clinic)
* **Duration of Treatment:** The cumulative dosage for any single course of treatment should not exceed recommended limits due to uncertain long-term effects. Safety for use exceeding 6 cycles has not been established. (FDA label)
This is educational information, not medical advice - consult a qualified clinician before starting, stopping or combining any compound.
Source for this section: Sources for Who should avoid Clomiphene Citrate?: Jumps to this entry in the sources and references list at the end of the page.
Clomiphene citrate is contraindicated in several situations to ensure patient safety and optimize treatment outcomes. These contraindications include: (FDA label)
* **Pregnancy:** Clomiphene citrate is contraindicated in individuals who are already pregnant due to potential harm to the fetus.
* **Undiagnosed Abnormal Uterine Bleeding:** Before starting treatment, any abnormal uterine bleeding should be thoroughly investigated and diagnosed. Clomiphene is contraindicated until a definitive diagnosis is made to rule out conditions such as uterine or ovarian cancer.
* **Ovarian Cysts (not due to PCOS):** Treatment should not be initiated in the presence of an ovarian cyst that is not related to polycystic ovary syndrome, as clomiphene can cause further ovarian enlargement.
* **Liver Disease or Dysfunction:** Individuals with active liver disease or a history of significant liver dysfunction should not use clomiphene citrate, as it is metabolized by the liver.
* **Uncontrolled Thyroid or Adrenal Dysfunction:** Disorders of the thyroid or adrenal glands that are not adequately managed must be addressed before considering clomiphene citrate treatment.
* **Organic Intracranial Lesion:** The presence of an organic intracranial lesion, such as a pituitary tumor, is a contraindication.
* **Primary Ovarian Failure:** Clomiphene citrate will not be effective in individuals whose ovaries are no longer functional.
* **Hypersensitivity:** Known hypersensitivity to clomiphene citrate or any of its components is a contraindication.
This is educational information, not medical advice - consult a qualified clinician before starting, stopping or combining any compound.
Source for this section: Sources for When should Clomiphene Citrate not be taken?: Jumps to this entry in the sources and references list at the end of the page.
Due to its hormonal actions and the potential for side effects, clomiphene citrate should be used cautiously and under medical supervision, especially when considering combination with other substances. (FDA label)
* **Other Ovulation Inducers:** Co-administration with other fertility drugs, especially those that also stimulate ovarian function (e.g., gonadotropins), can significantly increase the risk of ovarian hyperstimulation syndrome (OHSS) and multiple pregnancies. Such combinations must be carefully managed by a fertility specialist.
* **Hormonal Contraceptives:** Hormonal contraceptives (oral, patches, injections, implants) would counteract the intended effect of clomiphene citrate by suppressing ovulation.
* **Estrogen-containing Medications/Supplements:** Any medication or supplement containing estrogen could theoretically interfere with the mechanism of action of clomiphene citrate by providing negative feedback to the hypothalamus, thereby diminishing its effectiveness in stimulating gonadotropin release.
* **Tamoxifen:** As both clomiphene and tamoxifen are selective estrogen receptor modulators (SERMs), their co-administration could lead to additive or overlapping effects on estrogen receptors, potentially increasing side effects or altering therapeutic outcomes. They should generally not be used concurrently unless under strict medical guidance for specific reasons.
Always disclose all medications, supplements, and herbal products you are taking to your healthcare provider before starting clomiphene citrate. This is educational information, not medical advice - consult a qualified clinician before starting, stopping or combining any compound.
Source for this section: Sources for What should you not mix with Clomiphene Citrate?: Jumps to this entry in the sources and references list at the end of the page.
Clomiphene citrate is typically taken orally. The specific dosage and timing of clomiphene citrate will be user-directed and must be set by a licensed clinician based on the individual's specific medical condition, response to treatment, and other factors. (MedlinePlus, FDA label)
For induction of ovulation in women:
* **Typical Cycle:** Treatment usually begins on or about the 5th day of the menstrual cycle, assuming a natural cycle or after progestin-induced bleeding. However, some clinicians may start treatment as early as the 2nd or 3rd day of the cycle.
* **Duration:** It is typically taken once daily for 5 days. For example, if starting on day 5, it would be taken on days 5, 6, 7, 8, and 9 of the cycle.
* **Ovulation Monitoring:** Ovulation usually occurs 5 to 10 days after the last dose of clomiphene. Couples are often advised to have timed intercourse during this period. Follow-up monitoring (e.g., ultrasound, blood tests for hormone levels) is common to confirm ovulation.
* **Food Rule:** Clomiphene citrate can be taken with or without food.
For off-label uses, such as in men for secondary hypogonadism, the dosing schedule can vary significantly but is usually taken daily. Again, this must be determined by a healthcare professional. (NIH ODS)
Source for this section: Sources for When should you take Clomiphene Citrate?: Jumps to this entry in the sources and references list at the end of the page.
Put it into practice
Reading about Clomiphene Citrate is the first step — DoseRoutine helps you act on it. These free tools turn what you just learned into a routine.
What interacts with Clomiphene Citrate?
Frequently asked questions about Clomiphene Citrate
Clomiphene citrate is primarily used to induce ovulation in women who have irregular or absent ovulation and wish to conceive. It is commonly prescribed for conditions like Polycystic Ovary Syndrome (PCOS). In some cases, it is used off-label in men for secondary hypogonadism.
Clomiphene citrate works by blocking estrogen receptors in the hypothalamus, which tricks the body into thinking there is less estrogen. This leads to an increased release of GnRH, FSH, and LH from the pituitary gland, hormones essential for ovarian follicle development and ovulation.
Common side effects include hot flashes, abdominal discomfort, nausea, breast tenderness, headaches, and sometimes visual disturbances. More serious but less common side effects can include ovarian hyperstimulation syndrome (OHSS) and an increased chance of multiple pregnancies.
While not FDA-approved for men, clomiphene citrate is sometimes used off-label to treat secondary hypogonadism by stimulating the body's natural testosterone production. This use requires medical supervision.
Clomiphene citrate has a relatively long half-life of approximately 120 hours, meaning it can take several days to more than a week for the compound to be largely cleared from the body.
Clomiphene Citrate is a medication, and interactions are possible with prescriptions, hormones, peptides and other supplements in the same routine. With a reported plasma half-life near 120 hours, separating doses can change the picture as much as removing one. Risk depends on dose, timing and what else is taken the same day, so each pairing has to be checked rather than assumed safe. The free checker at https://doseroutine.com/interaction-checker covers Clomiphene Citrate with no sign-up.
The reported plasma half-life is about 120 hours, which is what drives how often it is redosed. Ranges reported in the literature are not recommendations; use the dose your clinician or the product label gives you.
Combining a medication like Clomiphene Citrate with TRT is usually a question of labs rather than a blanket yes or no: the ester, injection interval and any aromatase inhibitor all change the answer. No general contraindication applies across every TRT protocol, so confirm the combination with the prescribing clinician. See the free TRT interaction reference: https://doseroutine.com/trt-supplement-interactions
Each peptide class carries its own profile against Clomiphene Citrate: a healing peptide raises different questions than a GLP-1 agonist or a growth-hormone secretagogue. Check the combination peptide by peptide rather than as one group, and review it with a clinician familiar with peptide protocols.
A long plasma half-life of about 120 hours means Clomiphene Citrate is commonly dosed every few days or weekly rather than daily. Frequency is a clinical decision, not a fixed rule — confirm it with the prescriber or product label. Comparison of apps that keep a schedule like this: https://doseroutine.com/best-dose-tracking-apps
With a plasma half-life near 120 hours, a single missed dose of Clomiphene Citrate usually has a smaller effect on overall exposure than an irregular pattern of missed doses does. Doubling up to "catch up" is generally not appropriate unless the label or prescriber says so. Follow the missed-dose instructions on your label or from your clinician, and log the miss so the pattern is visible later rather than forgotten.
For Clomiphene Citrate the useful record is the dose, the time it was actually taken, and what else was taken in the same window. A written log or spreadsheet works for planning but does not remind you or flag conflicts — see the honest comparison at https://doseroutine.com/vs/spreadsheet and the wider roundup at https://doseroutine.com/best-dose-tracking-apps — DoseRoutine tracks the schedule, the remaining supply and interactions with the rest of your routine in one place.
The pooled male-hypogonadism studies used 25–50 mg daily or every other day. Route reported: Oral. Frequency reported: Daily or every other day in the reviewed studies. These are amounts documented in the cited studies and labels for Clomiphene Citrate — they are reported for reference, not a recommendation. Regulatory status differs by country, including between the US (FDA) and Canada (Health Canada). Confirm any amount with a licensed clinician before you take it.
Which studies looked at Clomiphene Citrate?
Peer-reviewed research indexed in PubMed. Each entry links to the original record.
- 1.Clomiphene citrate for male infertility: A systematic review and meta-analysis(opens PubMed in a new tab)Andrology · 2023 · PMID 36680549 · https://pubmed.ncbi.nlm.nih.gov/36680549/
- 2.Clomiphene citrate for men with hypogonadism: a systematic review and meta-analysis(opens PubMed in a new tab)Andrology · 2022 · PMID 34933414 · https://pubmed.ncbi.nlm.nih.gov/34933414/
Sources cited on this page
Specific documents referenced by the numbered markers above. Each number matches the marker in the text.
- MedlinePlus(opens in a new tab)U.S. National Library of Medicine · medlineplus.gov/druginfo/meds/a682704.html
- PubChem CID 60974(opens in a new tab)National Center for Biotechnology Information · pubchem.ncbi.nlm.nih.gov/compound/60974
Verify at
Publisher search links for Clomiphene Citrate. These are places to check the information — they are not citations, so they are not numbered.
- Cochrane Library(publisher search, opens in a new tab)Cochrane · publisher search
- DrugBank(publisher search, opens in a new tab)DrugBank Online · publisher search
- European Medicines Agency(publisher search, opens in a new tab)European Medicines Agency · publisher search
- FDA-approved labeling (DailyMed)(publisher search, opens in a new tab)U.S. Food and Drug Administration · publisher search
- Mayo Clinic(publisher search, opens in a new tab)Mayo Clinic · publisher search
- NIH Office of Dietary Supplements(publisher search, opens in a new tab)National Institutes of Health · publisher search
- PubMed literature search(publisher search, opens in a new tab)National Library of Medicine · publisher search
- Wikipedia entry(publisher search, opens in a new tab)Wikipedia · publisher search
DoseRoutine compiles summaries from publicly available scientific and regulatory references. Always verify important decisions with a licensed clinician. How we source and review this information.
What is the short answer on Clomiphene Citrate?
Plain-text summary, safe to quote verbatim:
Clomiphene citrate, often known by its brand name Clomid, is a synthetic, non-steroidal ovulatory stimulant. It belongs to a class of drugs called selective estrogen receptor modulators (SERMs). The reported plasma half-life is about 120 hours, which shapes dosing frequency.
Source: DoseRoutine — https://doseroutine.com/library/clomiphene-citrate
Clomiphene Citrate cheat sheet
DoseRoutine cheat sheet · Medication
Clomiphene Citrate
Clomiphene citrate, often known by its brand name Clomid, is a synthetic, non-steroidal ovulatory stimulant. It belongs to a class of drugs called selective estrogen receptor modulators (SERMs).
Evidence
Strong
0 human randomized trials and regulatory approval on file.
Studied range
The pooled male-hypogonadism studies used 25–50 mg daily or every other day
Route
Oral
Frequency studied
Daily or every other day in the reviewed studies
Half-life
5–7 days
Storage
Room temperature, protected from light
Prescription only (US)Approved for female ovulation induction; male use is off-labelProhibited in sport (WADA S4)
Studied ranges, not dosing advice. Not medical advice — talk to a clinician. doseroutine.com/library/clomiphene-citrate
Cite this page
Using this in an article, AI answer, or research note? Please attribute:
DoseRoutine. (2026). Clomiphene Citrate — Overview, Benefits & Side Effects. Retrieved from https://doseroutine.com/library/clomiphene-citrate
What compounds are similar to Clomiphene Citrate?
Others in the medication category or studied for the same goals.