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Follitropin Beta (Puregon): Patient Guide

Published: July 26, 2026Updated: August 24, 2026

Follitropin beta is a recombinant follicle-stimulating hormone (FSH) used to stimulate ovarian growth and egg development. It is prescribed for ovulation induction and ovarian stimulation before in vitro fertilization (IVF).

Quick summary

Follitropin beta is a daily injectable fertility medicine that must be individualized and closely monitored by a fertility specialist. Contact your healthcare team promptly for severe abdominal pain, swelling, breathing difficulty, or signs of a serious allergic reaction.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 24, 2026Editorial policy

Key facts at a glance

ATC
G03GA06
RxNorm
25357
Generic
Follitropin Beta
Class
atc-g03
Brands
Follistim
Availability
rx
Lactation
unknown
Routes
—
Forms
injection
Regions
US, EU, CN, JP
Monitoring
—

This page is for informational purposes only.

Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.

Dosage and administration

adult (standard)subcutaneous injection
Usual dose
75-300 IU daily
Maximum
consult physician
Frequency
once daily
Instructions
Follow physician instructions
Duration limits
as prescribed
Monitoring
standard
pediatric (not applicable)subcutaneous injection
Usual dose
not indicated
Maximum
consult physician
Frequency
not applicable
Instructions
Follow physician instructions
Duration limits
as prescribed
Monitoring
standard
geriatric (not applicable)subcutaneous injection
Usual dose
not indicated
Maximum
consult physician
Frequency
not applicable
Instructions
Follow physician instructions
Duration limits
as prescribed
Monitoring
standard

Overdose information

Important overdose information
Toxic dose: Doses exceeding recommended amounts may lead to severe ovarian hyperstimulation syndrome (OHSS)
Chronic overdose: Repeated supratherapeutic doses leading to sustained ovarian enlargement and multiple follicular development
Immediate actions
Discontinue medication, monitor vital signs, assess ovarian size via ultrasound, fluid management, electrolyte monitoring
Antidote
No specific antidote exists(Supportive care is primary treatment; early intervention improves outcomes)
Poison Control: 1-800-222-1222

Special Populations

11 groups
✗

pregnancy

first trimester
unsafe
FDA Category
C
Dose Adjustment

avoid if possible

Key Recommendations

avoid use during pregnancy unless benefits outweigh risks; follitropin beta is indicated for ovulation induction and not for use in established pregnancy

Monitor

regular fetal monitoring if used

Use of this medication in this population requires careful consideration of risks and benefits.

✗

pregnancy

second trimester
unsafe
FDA Category
C
Dose Adjustment

avoid

Key Recommendations

discontinue if pregnancy occurs during treatment

Monitor

standard prenatal monitoring

Use of this medication in this population requires careful consideration of risks and benefits.

✗

pregnancy

third trimester
unsafe
FDA Category
C
Dose Adjustment

avoid

Key Recommendations

not indicated for use during third trimester

Monitor

standard prenatal monitoring

Use of this medication in this population requires careful consideration of risks and benefits.

?

lactation

breastfeeding
unknown
FDA Category
N
Dose Adjustment

avoid or discontinue breastfeeding

Key Recommendations

it is unknown whether follitropin beta is excreted in human breast milk; use with caution in nursing mothers

Monitor

monitor infant for adverse effects

⚠

pediatric_age

prepubertal
caution
FDA Category
C
Dose Adjustment

individualize based on response

Key Recommendations

used for induction of spermatogenesis in males with hypogonadotropic hypogonadism; requires specialist pediatric endocrinology supervision

Monitor

close monitoring of growth, bone age, and hormonal parameters

Use with caution and monitor for adverse effects.

⚠

pediatric_age

adolescent
caution
FDA Category
C
Dose Adjustment

individualize dosing

Key Recommendations

used in adolescents for hypogonadotropic hypogonadism; specialist supervision required

Monitor

monitor hormonal levels, growth velocity, and bone maturation

Use with caution and monitor for adverse effects.

⚠

geriatric

elderly
caution
FDA Category
C
Dose Adjustment

start at lowest effective dose

Key Recommendations

limited clinical experience in patients over 65 years; use only when benefits clearly outweigh risks

Monitor

monitor for cardiovascular and thromboembolic events

Use with caution and monitor for adverse effects.

⚠

renal_impairment

mild
caution
FDA Category
C
Dose Adjustment

no specific dose adjustment recommended

Key Recommendations

use with caution; monitor renal function

Monitor

monitor renal function periodically

Use with caution and monitor for adverse effects.

⚠

renal_impairment

moderate to severe
caution
FDA Category
C
Dose Adjustment

consider dose reduction

Key Recommendations

use with caution; limited data available on pharmacokinetics in severe renal impairment

Monitor

close monitoring of renal function and clinical response

Use with caution and monitor for adverse effects.

⚠

hepatic_impairment

mild
caution
FDA Category
C
Dose Adjustment

no specific dose adjustment recommended

Key Recommendations

use with caution; monitor liver function

Monitor

monitor liver function tests

Use with caution and monitor for adverse effects.

⚠

hepatic_impairment

moderate to severe
caution
FDA Category
C
Dose Adjustment

use with caution

Key Recommendations

limited data available; use only if benefits clearly outweigh risks

Monitor

close monitoring of liver function and clinical response

Use with caution and monitor for adverse effects.

Statistics and clinical data

prescribingFDA
2023

Commonly prescribed since

Value:1990s

General prescribing information

drug_classWHO
2023

Drug class

Value:Gonadotropin (Recombinant FSH)

Drug class information

usageMedical guidelines
2023

Common uses

Value:Assisted reproductive technology (ART), Ovulation induction, IVF treatment

Common therapeutic uses

mechanismFDA
2023

Mechanism of action

Value:Recombinant follicle-stimulating hormone stimulates follicular growth

Pharmacological mechanism

Contraindications

Conditions and patient states where this medication should be avoided or used with caution.

Do not use (1)

ABSOLUTEhypersensitivity

Known allergy to this medication or its components

Use caution (1)

RELATIVEpregnancy

Consult healthcare provider for benefits vs risks assessment

Official drug label

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 24, 2026. · Read our editorial policy