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Chlor-Trimeton

What is Raynaud's phenomenon?

Raynaud's phenomenon (RP) is a condition resulting in a particular series of discolorations of the fingers and/or the toes after exposure to changes in temperature (cold or hot) or emotional events. Skin discoloration occurs because an abnormal spasm of the blood vessels causes a diminished blood supply to the local tissues. Initially, the digit(s) involved turn white because of the diminished blood supply. The digit(s) then turn blue because of prolonged lack of oxygen. Finally, the blood vessels reopen, causing a local "flushing" phenomenon, which turns the digit(s) red. This three-phase color sequence (white to blue to red), most often upon exposure to cold temperature, is characteristic of RP.

Raynaud's phenomenon most frequently affects women, especially in the second, third, or fourth decades of life. People can have Raynauds phenomenon alone or as a part of other rheumatic diseases. When it occurs alone...

Chlor-Trimeton

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DRUG DESCRIPTION

Each tablet contains: Chlorpheniramine Maleate 4 mg.

May also contain: D&C Yellow #10, Lactose, Magnesium Stearate, Microcrystalline Cellulose and Pregelatinized Starch.

Chlorpheniramine

What are the possible side effects of chlorpheniramine?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop taking chlorpheniramine and call your doctor at once if you have a serious side effect such as:

  • urinating less than usual or not at all;
  • confusion, extreme drowsiness;
  • severe dizziness, anxiety, restless feeling, nervousness; or
  • weak or shallow breathing.

Less serious side effects may include:

  • mild...

Read All Potential Side Effects and See Pictures of Chlor-Trimeton »

Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.

Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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