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Top 8 Phenergan Side Effects


Way different from Nitrofurantoin side effects or Cetirizine side effects, Phenergan is a medication that is classified under antihistamine which works to block the effects of the natural chemical called histamine which is located in one’s body. Phenergan is used effectively in the treatment of symptoms like runny nose, watery or itchy eyes, skin rashes, and itching per se. In addition to that, the Phenergan is also known to prevent experiencing motion sickness as well as treat vomiting and nausea or perhaps pain that is experienced after any surgical procedure. Aside from the ones which were mentioned, it is also used as a sleep aid or sedative.

Phenergan Side Effects

Persons who are taking in Phenergan should be mindful of the Phenergan side effects. The following are Phenergan side effects:

1. Extrapyramidal Symptoms

According to studies done, persons taking in Phenergan may experience Extrapyramidal symptoms which are manifested via muscular movement which are involuntary, muscular tone which alters and inability to sit still or akathisia, torticollis, protrusion of the tongue as well as Parkinsonism.

2. Respiratory side effect

Persons who are taking in Phenergan are also at risk for respiratory side effects, which is one of the Phenergan side effects, which can be manifested via nasal stuffiness, asthma, respiratory depression and worse or fatal condition of apnea.

3. Hypersensitivity

This is a rare form and part of the Phenergan side effects which is hypersensitivity. Under which the person may experience angioneurotic edema, tightening of the chest, difficulty breathing, itchy feeling, swelling, redness, rashes and the like.

4. Dermatological side effects

Some persons, who will take in Phenergan, will sometimes experience dermatological side effects, which are part of the Phenergan side effects, such as photosensitivity, urticaria and dermatitis. These side effects are also linked with allergic reactions brought about by the intake of the medication.

5. Hematological side effects

Phenergan side effects also include hematological side effects. Persons who are taking in Phenergan have reported to have abnormal blood study results such as lowered white blood cell counts which can cause health problems such as promotion of frequent infectious attacks and also a decrease in platelet count which may in turn lead to bleeding and bruising episodes.

6. Gastrointestinal side effects

Still others have gastrointestinal side effects manifested by vomiting, nausea, gastrointestinal disturbances and dryness of the mouth.

7. Nervous system reactions

These nervous system reactions are common part of the Phenergan side effects. Most persons who have nervous system reactions include a feeling of dizziness, blurring of vision, hallucination, insomnia, sedation, double vision, fatigue, tremors, euphoria, tinnitus and nervousness.

8. Neuroleptic malignant syndrome

This is a rare and yet a fatal medical condition that is reported to be part of the Phenergan side effects. Persons who have Neuroleptic malignant syndrome will experience high grade fever, autonomic instability, muscular rigidity, labile form of blood pressure and changes in the cognitive aspect of the person such as a report of delirium. This condition is also associated in the elevation of the plasma creatine phosphokinase. Treatment for such rare condition will be base on supportive treatment therapy.

Other side effects include:

  • Constipation
  • Impotence
  • Gaining of weight
  • Joint pain
  • Impotence
  • Seizures

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