
Active Cold Drops
Nest Pharma Pvt Ltd - Drop - 15 ml
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Tretinoin topical solution 0.05% w/v (commonly)
Delivery across India. Free above ₹999; ₹49 from ₹499, ₹99 below. Chennai express delivery is chargeable.
This medicine needs a prescription.
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Carot-A Solution is used for acne (especially comedonal acne/blackheads and whiteheads), photoaging (fine wrinkles, hyperpigmentation) under medical advice.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Carot-A Solution contains Tretinoin topical solution 0.05% w/v (commonly). It belongs to the Topical retinoid class of medicines.
Tretinoin (a retinoid/vitamin A derivative) increases skin cell turnover and normalizes follicular keratinization, helping unclog pores and reduce comedones. It also reduces inflammation and improves pigmentation and texture over time.
For external use only. Apply a very thin layer once daily at night on clean, completely dry skin over affected area; avoid eyes, lips, nostrils and broken/irritated skin. Start with alternate nights if irritation occurs; use moisturizer and daily sunscreen. Do not apply immediately after washing; wait 20–30 minutes.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.
An overdose of this medicine can cause severe irritation when far too much cream is applied; an oral retinoid taken in excess can cause headache, vomiting and liver injury. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.
Most side effects of Carot-A are mild and settle as the body adjusts. Reported side effects include:
Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.
| Pregnancy | Not recommended / Consult doctor |
|---|---|
| Breastfeeding | Not recommended while breastfeeding. |
| Alcohol | Use with caution (may increase skin irritation; avoid alcohol-based skin products and excessive alcohol if it worsens flushing/irritation) |
| Driving | Not expected to affect your ability to drive. |
| Kidney | Use with caution if you have kidney disease — your doctor may adjust the dose or monitor your kidney function. |
| Liver | Consult your doctor if you have liver disease. |
| Habit forming | No |
Avoid excessive sun/UV exposure; use broad-spectrum sunscreen. Do not use on eczematous, sunburned, cut or very irritated skin. Avoid contact with eyes and mucous membranes; rinse with water if contact occurs. Use with caution in sensitive skin; reduce frequency if severe irritation. Not recommended in pregnancy unless prescribed; discontinue and consult doctor if severe swelling, blistering, or persistent severe irritation occurs.
Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Oral retinoids are absolutely contraindicated in pregnancy and in anyone who might become pregnant without a pregnancy prevention programme. Topical retinoids are avoided in pregnancy.
May increase irritation with benzoyl peroxide, salicylic acid, sulfur/resorcinol products, astringents/alcohol-based cleansers, abrasive soaps/scrubs; avoid concurrent topical photosensitizers; if using benzoyl peroxide, apply at different times (e.g., benzoyl peroxide morning, tretinoin night).
Store below 25°C in a cool, dry place away from heat and direct light. Keep container tightly closed; solution may be flammable due to alcohol base—keep away from flames. Keep out of reach of children.
Apply retinoids at night to clean, dry skin, and moisturise afterwards. Give it at least eight to twelve weeks before judging whether it works. Do not pick or squeeze spots — that is what leaves scars.

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The information on Carot-A Solution is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.