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Hair Regrowth Treatment for Men Side Effects

Generic name: minoxidil topical

Medically reviewed by Last updated on May 21, 2023.

Note: This document contains side effect information about minoxidil topical. Some dosage forms listed on this page may not apply to the brand name Hair Regrowth Treatment for Men.

Applies to minoxidil topical: topical foam, topical solution.

Serious side effects

Along with its needed effects, minoxidil topical (the active ingredient contained in Hair Regrowth Treatment for Men) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur while taking minoxidil topical:

Less common


Signs and symptoms of too much medicine being absorbed into the body—Rare

For Healthcare Professionals

Applies to minoxidil topical: topical foam, topical solution, topical spray.


Common (1% to 10%): Chest pain

Uncommon (0.1% to 1%): Palpitations

Frequency not reported: Heart rate increased, hypotension[Ref]


Frequency not reported: Application site reactions[Ref]

Application site reactions may involve nearby structures (e.g. ears, face) and typically include pruritus, irritation, pain, rash, edema, dry skin, erythema, and erythematous rash, but may include severe events such as exfoliation, dermatitis, blistering, bleeding, or ulceration.[Ref]


Common (1% to 10%): Hypertrichosis (unwanted non-scalp hair including female facial hair growth), pruritus (including rash pruritic generalized and eye pruritus), rash (including pustular, popular, generalized, vestibular, and seborrheic)

Rare (less than 0.1%): Changes in hair texture

Frequency not reported: Dry skin, skin exfoliation (including exfoliative rash and dermatitis exfoliative), acne (acneiform rash), temporary hair loss, changes in hair color, angioedema (including lip edema, lip swelling, edema mouth, oropharyngeal swelling, pharyngeal edema, swollen tongue and tongue edema)[Ref]


Common (1% to 10%): Hypersensitivity reactions (including face edema, generalized erythema, generalized pruritus, swelling face, pharyngeal edema, and throat tightness)[Ref]

Nervous system

Very common (10% or more): Headache

Uncommon (0.1% to 1%): Dizziness[Ref]


Uncommon (0.1% to 1%): Nausea

Frequency not reported: Vomiting[Ref]


Frequency not reported: Eye irritation[Ref]


Common (1% to 10%): Weight increased[Ref]


Frequency not reported: Depressed mood[Ref]


Uncommon (0.1% to 1%): Dyspnea[Ref]


Common (1% to 10%): Peripheral edema[Ref]


1. Cerner Multum, Inc. UK Summary of Product Characteristics.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.