Q ON Lotion

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Q ON Lotion is a medicine used in the treatment of vitiligo and psoriasis. It reduces the overproduction of skin cells and helps to re-pigment the discolored, white patches.

Written By Dr. Sakshi Jain, MS, BDS,
Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS,
Last updated on 20 Jul 2026 | 01:04 AM (IST)

MRP ₹74.25

Gurgaon

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General Information

Contains

Trioxsalen (0.2% w/v)

Marketer

Tetramed Biotek Pvt Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Q ON Lotion is for external use only. Use It only under the direct supervision of your doctor. The affected area should be clean and dry before application. You must wash your hands thoroughly before and after applying this medicine. This medicine should be used regularly to get the most benefit from it. Do not use more than you need as it will not clear your condition faster and some side effects may be increased. If your condition goes on for longer than four weeks or gets worse at any time, let your doctor know. You can help this medication work better by keeping the affected areas clean.

Common side effects include burning, itching, irritation, and redness at the site of injection. It may also cause blisters on your skin. Please consult your doctor if these side effects persist for a longer duration. Avoid direct contact with your eyes. In case of accidental contact, wash your eyes with plenty of water and seek immediate medical attention.

Application of Q ON Lotion can make your skin sensitive to sunlight. Avoid exposure to sunlight. Use sunscreens and cover yourself with protective clothing for at least 8 hours after treatment. Avoid eating certain foods like limes, figs, parsley, parsnips, mustard, carrots, and celery, as they may increase the skin's sensitivity to light.

Uses of Q ON Lotion

Benefits of Q ON Lotion

Psoriasis
Psoriasis causes thick, scaly patches on the skin along with itching and irritation. Q ON Lotion helps slow down the excessive growth of skin cells when used with light therapy, which reduces scaling, redness, and discomfort, leading to clearer and healthier-looking skin.

Vitiligo
Vitiligo is a condition where patches of skin lose their natural color due to reduced pigment. Q ON Lotion helps restore pigmentation by increasing the skin’s sensitivity to light, which supports the repigmentation process and improves the appearance of affected areas.

Side effects of Q ON Lotion

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Q ON

Erythema (skin redness)
Blisters on skin
Edema (swelling)
Itching
Application site reactions (burning, irritation, itching and redness)

How to use Q ON Lotion

This medicine is for external use only. Use this medicine in the dose and duration as advised by your doctor. Shake it well and apply to the area evenly.

How Q ON Lotion works

Q ON Lotion is a photosensitive medication used with UV-A rays. It works by activating certain skin cells (melanocytes) and helps repigment the discolored, white patches in vitiligo. Q ON Lotion also slows down the rapid growth of skin cells in psoriasis. This reduces scaling and thickening of the skin.

Quick tips

Q ON Lotion is given for the treatment of skin disorders like vitiligo and psoriasis.
Take this treatment (Q ON Lotion and UVA) two or three times a week with the treatment spaced at least forty-eight hours apart.
Do not increase the amount of Q ON Lotion if you are spending extra time in the sunlight or under an ultraviolet lamp.
Use sunscreen with your doctor’s consultation and wear UVA-absorbing wrap-around sunglasses following treatment with Q ON Lotion.
Wear clothing that protects your skin from the sun.
Be careful before applying anything to your skin to treat dryness and itchiness caused by Q ON Lotion.

Safety advice

Alcohol

No interaction found/established

Pregnancy

CONSULT YOUR DOCTOR

The safety of Q ON Lotion during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.

Breast feeding

CAUTION

Q ON Lotion should be used with caution during breastfeeding. Breastfeeding should be held until the treatment of the mother is completed and the drug is eliminated from the body.

Driving

No interaction found/established

Kidney

No interaction found/established

Liver

No interaction found/established

Frequently asked questions

What is Q ON Lotion used for?

Q ON Lotion is mainly used in the treatment of vitiligo, which causes white patches on the skin, and psoriasis, a condition characterized by thickened or scaly skin.

How does Q ON Lotion work for skin conditions?

Q ON Lotion makes the skin more sensitive to ultraviolet (UV) light. When combined with controlled UV therapy (PUVA), it activates pigment-producing cells and promotes the regaining of normal skin color in vitiligo or slows excess skin cell growth in psoriasis.

Who should not use Q ON Lotion on their skin?

Individuals should not use Q ON Lotion if they are allergic to psoralens or any other ingredient present in it, or if they have a history of skin cancer, lupus, or other photosensitive conditions. Always check with your doctor before starting treatment.

Can Q ON Lotion cause serious side effects?

Yes, Q ON Lotion can cause severe skin redness, swelling, painful blisters, skin peeling, allergic reactions, or excessive sun sensitivity. If you experience any of these, stop treatment and seek medical help.

Is there a risk of skin cancer with Q ON Lotion?

Long-term use of name Q ON Lotion combined with excessive UV exposure may increase the risk of premature skin aging or skin cancer. Regular doctor checkups during treatment are important.

Can I go into direct sunlight after using Q ON Lotion?

No, you must avoid natural sunlight after Q ON Lotion application without protective clothing or sunscreen, as it dramatically increases the risk of sunburn and skin damage.

Fact Box

Chemical Class

Furocoumarins

Habit Forming

Therapeutic Class

DERMA

Action Class

Psoralen & derivatives

References

Robertson DB, Maibach HI. Dermatologic Pharmacology. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 1055.
PubChem. Trioxasalen. [Accessed 03 Apr. 2019] (online) Available from:
Trioxasalen. Karnal, Haryana: CANBRO Healthcare; [Accessed 21 Apr. 2026] (online). Available from:

User feedback

Patients taking Q ON Lotion

Once A Day

79%

Thrice A week

14%

Twice A Day

What are you using Q ON Lotion for?

Vitiligo

100%

How much was the improvement?

Excellent

67%

Average

33%

What were the side-effects while using Q ON Lotion?

No Side Effect

100%

How do you take Q ON Lotion?

Empty stomach

50%

With or without food

50%

Please rate Q ON Lotion on price

Average

100%

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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Tetramed Biotek Pvt Ltd
Address: T-Annexe', Plot no. 2, Opp. Harbinger Group & AUDI Pune, S. No. 45, Baner, Pune 411045

Vendor Details

Country of origin: India

Lab tests offered by us

Home

Derma

Melanising Agents

Q ON Lotion

Q ON Lotion

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General Information

Contains

Marketer

Storage

Product introduction

Uses of Q ON Lotion

Benefits of Q ON Lotion

Side effects of Q ON Lotion

How to use Q ON Lotion

How Q ON Lotion works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

What is Q ON Lotion used for?

How does Q ON Lotion work for skin conditions?

Who should not use Q ON Lotion on their skin?

Can Q ON Lotion cause serious side effects?

Is there a risk of skin cancer with Q ON Lotion?

Can I go into direct sunlight after using Q ON Lotion?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

References

User feedback

Patients taking Q ON Lotion

What are you using Q ON Lotion for?

How much was the improvement?

What were the side-effects while using Q ON Lotion?

How do you take Q ON Lotion?

Please rate Q ON Lotion on price

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

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