Prescription requiredDermatological (Anti-alopecia)

Zenoxidil 5% Gel — Side Effects & Warnings

Known side effects of Zenoxidil 5% Gel include Scalp itching,scalp irritation,burning or stinging sensation,dryness/flaking (dandruff),redness,rash,increased initial hair shedding,unwanted facial/body hair growth (hypertrichosis),headache,dizzines.... Not everyone experiences these side effects.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated June 2026

Common Side Effects

Scalp itching
scalp irritation
burning or stinging sensation
dryness/flaking (dandruff)
redness
rash
increased initial hair shedding
unwanted facial/body hair growth (hypertrichosis)
headache
dizziness
palpitations
swelling of hands/feet

This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.

Important Warnings

Stop use and seek medical advice if chest pain, fast/irregular heartbeat, fainting, severe dizziness, shortness of breath, or swelling occurs. Not recommended in pregnancy/breastfeeding unless advised by a doctor. Avoid use on inflamed, infected, sunburned, or broken scalp. Use caution in patients with heart disease, low blood pressure, or those using antihypertensives. Hair shedding may increase initially (usually temporary). Continuous use is required to maintain results; benefits may take 3–6 months.

Drug Interactions

Zenoxidil 5% Gel may interact with the following:

Other topical scalp products/irritants (retinoids
strong corticosteroids
keratolytics) may increase absorption/irritation; antihypertensive medicines and other vasodilators may increase risk of low blood pressure; topical minoxidil absorption may be increased with occlusion or damaged skin.

Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.

Pregnancy Safety

Not recommended (consult doctor)

Alcohol Interaction

No known interaction (topical); avoid alcohol on scalp as it may worsen irritation

Habit Forming

Storage

Store at room temperature (below 25°C), protected from heat, light and moisture. Keep container tightly closed. Keep out of reach of children.

Zenoxidil 5% Gel — Safety Summary

Composition: Minoxidil 5% w/w topical gel
Prescription: Required (Rx)
Pregnancy: Not recommended (consult doctor)
Alcohol: No known interaction (topical); avoid alcohol on scalp as it may worsen irritation
Habit forming: No

Zenoxidil 5% Gel — Safety FAQs

What should I do if I experience side effects?

Mild side effects often resolve on their own. If side effects are severe or persistent, stop the medicine and consult your doctor immediately.

Are all listed side effects common?

No. Some side effects are common while others are rare. Not everyone experiences side effects. Consult your doctor if you are concerned.

Can I take this medicine with other drugs?

Some medicines interact with each other. Always inform your doctor about all medicines you are currently taking.

When should I seek emergency help?

Seek immediate medical attention if you experience severe allergic reactions (difficulty breathing, swelling of face/throat), chest pain, or any life-threatening symptoms.

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Safety disclaimer

This information is for educational purposes only and is not a substitute for professional medical advice. If you experience severe side effects, seek medical attention immediately.

Zenoxidil 5% Gel — Side Effects & Warnings

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated June 2026