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MRP: Rs. 108 for 1 bottle(s) (30 ML lotion each)
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Composition for OCTAMOP

Methoxsalen Topical(0.75% w/v)

food interaction for OCTAMOP

alcohol interaction for OCTAMOP

pregnancy interaction for OCTAMOP

lactation interaction for OCTAMOP

It can be taken with or without food, but it is better to take Octamop 0.75% lotion at a fixed time.
Interaction with alcohol is unknown. Please consult your doctor.
Octamop 0.75% lotion is unsafe to use during pregnancy.
There is positive evidence of human fetal risk, but the benefits from use in pregnant women may be acceptable despite the risk, for example in life-threatening situations. Please consult your doctor.
Octamop 0.75% lotion is probably safe to use during breastfeeding. Please consult your doctor.


Methoxsalen Topical(0.75% w/v)


Octamop 0.75% lotion is used in the treatment of acne (pimples) and vitiligo (loss of skin colour in patches).

How it works

Methoxsalen belongs to the class of medications called as psoralens. It is a photoactive (light-sensitive drug that absorbs ultraviolet light and becomes activated) medication, which upon activation damages the DNA of actively dividing cells, thereby killing them, providing relief from various skin disorders.

Common side effects

New growth on the skin, Altered appearance of mole, Blisters on skin, Burns on the treated area from overexposure to uva or sunlight, Itching, Skin redness, Swelling, Blister

Common Dosage for OCTAMOP 0.75% LOTION

Patients taking OCTAMOP 0.75% LOTION

  • 88%
    Once A Day
  • 6%
    Twice A Week
  • 6%
    Alternate Day


No substitutes found

Top Physicians

  • Dr. M. K. Singh
    MBBS, MD
  • Dr. Prabhat Kumar Jha
    MBBS, MD
  • Dr. Joy Chakraborty
    MBBS, MD
  • Dr. R. R. Dutta
    MBBS, MD
  • Dr. P. R. Aryan
    MBBS, Diploma

Expert advice for OCTAMOP

  • Wear UVA-absorbing, wrap-around sunglasses and cover exposed skin or use a sunblock (SP 15 or higher) for the twenty-four (24) hour period following treatment with methoxsalen topical.
  • Use extra caution for at least 48 hours following each treatment. After each treatment, cover your skin for at least 8 hours by wearing protective clothing.
  • Do not increase the amount of methoxsalen topical if you are taking or spending extra time in the sunlight or under an ultraviolet lamp.
  • You may have to undergo an eye examination before starting the treatment and also once a year thereafter.
  • Tell your doctor if you are pregnant, planning to become pregnant or are breastfeeding. 
  • Do not use if you are allergic to methoxsalen or any of its ingredients.
  • Do not use by Children < 12 years.
  • Do not use if you have a history of a light-sensitive conditions (e.g., albinism, lupus, porphyria, xeroderma pigmentosum).
  • Do not use if you having aphakia (no lens in the eye).
  • Do not use if you have a history of melanoma or certain other types of skin cancer.

Frequently asked questions for OCTAMOP

Methoxsalen Topical

Q.What is methoxsalen topical used for?
Methoxsalen topical is used in addition to ultraviolet light (found in sunlight and some special lamps) for treatment of vitiligo (skin disease characterized by presence of white patches on different parts of the body), psoriasis (a skin condition associated with red, raised, itchy and scaly patches), and mycosis fungoides, a type of skin lymphoma.


Content on this page was last updated on 21 July, 2016, by Dr. Varun Gupta (MD Pharmacology)