Prescription requiredAntifungal (anti-dandruff)

Selsun Shampoo — Side Effects & Warnings

Known side effects of Selsun Shampoo include Scalp irritation, itching, burning or stinging, dryness or oiliness of hair/scalp, redness, increased hair shedding (rare), hair discoloration (especially dyed/bleached or grey hair), unpleasant odor. Not everyone experiences these side effects.

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

Common Side Effects

Scalp irritation
itching
burning or stinging
dryness or oiliness of hair/scalp
redness
increased hair shedding (rare)
hair discoloration (especially dyed/bleached or grey hair)
unpleasant odor

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

Important Warnings

For external use only. Avoid eyes and mucous membranes; if contact occurs, rinse well with water. Do not use on inflamed, broken or very irritated skin unless advised. Stop use and seek medical advice if severe irritation, rash or swelling occurs. Use cautiously in children and during pregnancy/breastfeeding—consult a doctor. Rinse thoroughly; do not leave on longer than recommended. May discolor jewelry and hair, especially with chemical treatments; avoid using within 48 hours of hair dye/perm and rinse well.

Drug Interactions

Selsun Shampoo may interact with the following:

Topical interactions are minimal. Increased risk of irritation if used with other harsh/keratolytic scalp products (e.g.
salicylic acid
coal tar
benzoyl peroxide
strong anti-dandruff/medicated shampoos) or immediately after chemical hair treatments.

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

Pregnancy Safety

Use with caution / Consult doctor

Alcohol Interaction

No known interaction

Habit Forming

Storage

Store below 25°C in a cool, dry place. Keep cap tightly closed. Protect from excessive heat and direct sunlight. Keep out of reach of children.

Selsun Shampoo — Safety Summary

Composition: Selenium sulfide 2.5% w/v (medicated shampoo)
Prescription: Required (Rx)
Pregnancy: Use with caution / Consult doctor
Alcohol: No known interaction
Habit forming: No

Selsun Shampoo — 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.

Selsun Shampoo — Side Effects & Warnings

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