What are the possible side effects of Isomerine?
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 using Isomerine and call your doctor at once if you have:
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fast or uneven heart rate;
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mood changes;
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tremor, seizure (convulsions);
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easy bruising or bleeding, unusual weakness;
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feeling short of breath; or
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little or no urinating.
Common side effects may include:
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dizziness, drowsiness;
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dry mouth, nose, or throat;
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constipation;
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blurred vision; or
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feeling nervous or restless.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Side effects of Isomerine in details
Applies to Isomerine: capsules, controlled-release capsules, suspension drops, sustained-release capsules, syrup, tablets
Other dosage forms:
- suspension
Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Constipation; diarrhea; dizziness; drowsiness; dry mouth, nose, or throat; excitability; headache; loss of appetite; nausea; nervousness or anxiety; trouble sleeping; upset stomach; vomiting; weakness.
Seek medical attention right away if any of these SEVERE side effects occur while taking Isomerine (the active ingredient contained in Isomerine (Allergy))
Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); difficulty urinating or inability to urinate; fast or irregular heartbeat; hallucinations; seizures; severe dizziness, lightheadedness, or headache; tremor; trouble sleeping; vision changes.
What is the most important information I should know about Isomerine?
- Isomerine syrup may cause dizziness, drowsiness, or blurred vision. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to Isomerine syrup. Using Isomerine syrup alone, with certain other medicines, or with alcohol may lessen your ability to drive or perform other potentially dangerous tasks.
- Do NOT exceed the recommended dose or take Isomerine syrup for longer than prescribed without checking with your doctor.
- If your symptoms do not improve within 5 to 7 days or if they become worse, check with your doctor.
- Isomerine syrup may cause increased sensitivity to the sun. Avoid exposure to the sun, sunlamps, or tanning booths until you know how you react to Isomerine syrup. Use a sunscreen or protective clothing if you must be outside for a prolonged period.
- If you are scheduled for allergy skin testing, do not take Isomerine syrup for several days before the test because it may decrease your response to the skin tests.
- Before you have any medical or dental treatments, emergency care, or surgery, tell the doctor or dentist that you are using Isomerine syrup.
- Use Isomerine syrup with caution in the ELDERLY because they may be more sensitive to its effects.
- Caution is advised when using Isomerine syrup in CHILDREN because they may be more sensitive to its effects.
- PREGNANCY and BREAST-FEEDING: If you become pregnant while taking Isomerine syrup, discuss with your doctor the benefits and risks of using Isomerine syrup during pregnancy. It is unknown if Isomerine syrup is excreted in breast milk. Do not breast-feed while taking Isomerine syrup.
Isomerine contraindications
Hypersensitivity to Isomerine maleate or any component of the formulation; narrow-angle glaucoma; bladder neck obstruction; symptomatic prostate hypertrophy; during acute asthmatic attacks; stenosing peptic ulcer; pyloroduodenal obstruction. Avoid use in premature and term newborns due to possible association with SIDS.
OTC labeling: When used for self-medication, do not use to make a child sleep
References
- DailyMed. "CHLORPHENIRAMINE POLISTIREX; HYDROCODONE POLISTIREX: DailyMed provides trustworthy information about marketed drugs in the United States. DailyMed is the official provider of FDA label information (package inserts).". https://dailymed.nlm.nih.gov/dailyme... (accessed September 17, 2018).
- European Chemicals Agency - ECHA. "Chlorphenamine hydrogen maleate: The information provided here is aggregated from the "Notified classification and labelling" from ECHA's C&L Inventory. ". https://echa.europa.eu/information-o... (accessed September 17, 2018).
- HSDB. "CHLORPHENIRAMINE". https://toxnet.nlm.nih.gov/cgi-bin/s... (accessed September 17, 2018).
Reviews
The results of a survey conducted on ndrugs.com for Isomerine are given in detail below. The results of the survey conducted are based on the impressions and views of the website users and consumers taking Isomerine. We implore you to kindly base your medical condition or therapeutic choices on the result or test conducted by a physician or licensed medical practitioners.User reports
Consumer reported side effects
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Information checked by Dr. Sachin Kumar, MD Pharmacology