Description:
Periactin is an antihistamine given to help relieve cold- and allergy-related symptoms such as hay fever, nasal inflammation, stuffy nose, red and inflamed eyes, hives, and swelling. Periactin may also be given after epinephrine to help treat anaphylaxis, a life-threatening allergic reaction.
Why is Periactin prescribed?
Periactin is an antihistamine given to help relieve cold- and allergy-related symptoms such as hay fever, nasal inflammation, stuffy nose, red and inflamed eyes, hives, and swelling. Periactin may also be given after epinephrine to help treat anaphylaxis, a life-threatening allergic reaction.Some doctors prescribe Periactin to treat cluster headache and to stimulate appetite in underweight people.Like other antihistamines, Periactin may make you feel sleepy and sluggish. However, some people, particularly children, may have the opposite reaction and become excited.
What side effects may occur?
Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor immediately. Only your doctor can determine whether it is safe for you to continue taking Periactin.
* More common side effects may include: Anaphylaxis (life-threatening allergic reaction), anemia, appetite loss, chest congestion or tightness, chills, confusion, constipation, convulsions, diarrhea, difficulty urinating, dizziness, dry mouth, nose, or throat, earlier-than-expected menstrual period, exaggerated feeling of well-being, excessive perspiration, excitement, faintness, fatigue, fluttery or throbbing heartbeat, frequent urination, hallucinations, headache, hives, hysteria, inability to urinate, increased appetite and weight gain, insomnia, irritability, lack of coordination, light sensitivity, liver problems, low blood pressure, nausea, nervousness, rapid heartbeat, rash and swelling, restlessness, ringing in the ears, sleepiness, stomach pain, stuffy nose, tingling or pins and needles, tremor, vertigo, vision problems (double vision, blurred vision), vomiting, weight gain, wheezing, yellow eyes and skin
Older people, in particular, are likely to become dizzy or drowsy, or develop low blood pressure in response to Periactin.
Special warnings about Periactin
Like other antihistamines, Periactin may make you drowsy or impair your coordination. Be very careful about driving, climbing, or operating machinery, or doing hazardous tasks until you know how you react to Periactin. Be cautious about taking Periactin if you have bronchial asthma, the eye condition called glaucoma, an overactive thyroid gland, high blood pressure, heart disease, or circulatory problems.
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