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Phenylephrine/shark liver oil (On the skin)

Phenylephrine (fen-il-EF-rin), Shark Liver Oil (shark LIV-er oyl)

There may be other brand names for this medicine.

This medicine is not right for everyone. You should not use it if you had an allergic reaction to phenylephrine or to shark liver oil.

Follow the instructions on the medicine label if you are using this medicine without a prescription.
Wash your hands with soap and water before and after you use this medicine. When possible, clean your anal area and gently dry the area before you apply the medicine.
Apply this medicine around your anal area up to 4 times daily. It is best to use this medicine in the morning, after a bowel movement, or before you go to bed.
Missed dose: Apply a dose as soon as you can. If it is almost time for your next dose, wait until then and apply a regular dose. Do not apply extra medicine to make up for a missed dose.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

Some medicines can affect how phenylephrine works. Tell your doctor if you are using the following:
- Medicine to lower blood pressure
- Antidepressants
- An MAO inhibitor (MAOI)

Tell your doctor if you are pregnant or breastfeeding. Also tell him if you have diabetes, heart disease, thyroid disease, high blood pressure, or problems urinating due to an enlarged prostate.
Ask your doctor before you use this medicine on a child younger than 12 years.
Call your doctor if your symptoms do not improve within 7 days, or if they get worse.

Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
Bleeding from your rectum

Last Updated: 12/4/2023