What are the possible side effects of Dexclorfeniramina?
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using Dexclorfeniramina and call your doctor at once if you have:
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extreme drowsiness;
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confusion, hallucinations;
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feeling nervous, restless, or dizzy;
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a seizure; or
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little or no urination.
Side effects such as dry mouth, constipation, and confusion may be more likely in older adults.
Common side effects may include:
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drowsiness;
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blurred vision;
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constipation;
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flushing (warmth, redness, or tingly feeling);
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dry mouth, nose, or throat; or
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feeling restless or excited (especially in a child).
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.
See also:
Dexclorfeniramina side effects (in more detail)
Side effects of Dexclorfeniramina in details
Applies to Dexclorfeniramina: controlled-release tablets, syrup
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 Dexclorfeniramina (the active ingredient contained in Dexclorfeniramina)
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 Dexclorfeniramina?
- Dexclorfeniramina 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 Dexclorfeniramina syrup. Using Dexclorfeniramina syrup alone, with certain other medicines, or with alcohol may lessen your ability to drive or perform other potentially dangerous tasks.
- Avoid drinking alcohol or taking other medications that cause drowsiness (eg, sedatives, tranquilizers) while taking Dexclorfeniramina syrup. Dexclorfeniramina syrup will add to the effects of alcohol and other depressants. Ask your pharmacist if you have questions about which medicines are depressants.
- Do NOT exceed the recommended dose or take Dexclorfeniramina 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.
- Dexclorfeniramina syrup may cause increased sensitivity to the sun. Avoid exposure to the sun, sunlamps, or tanning booths until you know how you react to Dexclorfeniramina syrup. Use a sunscreen or protective clothing if you must be outside for a prolonged period.
- Dexclorfeniramina syrup should not be used to treat asthma or other lower respiratory tract (eg, lung) problems.
- If you are scheduled for allergy skin testing, do not take Dexclorfeniramina 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 Dexclorfeniramina syrup.
- Use Dexclorfeniramina syrup with caution in the ELDERLY because they may be more sensitive to its effects, especially dizziness, drowsiness, and low blood pressure.
- Caution is advised when using Dexclorfeniramina syrup in CHILDREN because they may be more sensitive to its effects.
- Use Dexclorfeniramina syrup with extreme caution in CHILDREN younger than 2 years of age. Safety and effectiveness in this age group have not been confirmed.
- PREGNANCY and BREAST-FEEDING: If you become pregnant while taking Dexclorfeniramina syrup, discuss with your doctor the benefits and risks of using Dexclorfeniramina syrup during pregnancy. It is unknown if Dexclorfeniramina syrup is excreted in breast milk. Do not breast-feed while taking Dexclorfeniramina syrup.
Dexclorfeniramina contraindications
Use in Newborn or Premature Infants:
This drug should not be used in newborn or premature infants.
Use in Nursing Mothers:
Because of the higher risk of antihistamines for infants generally and for newborns and prematures in particular, antihistamine therapy is contraindicated in nursing mothers.
Use in Lower Respiratory Disease:
Antihistamines should NOT be used to treat lower respiratory tract symptoms including asthma.
Antihistamines are also contraindicated in the following conditions:
- Hypersensitivity to Dexclorfeniramina maleate or other antihistamines of similar chemical structure
- Monoamine oxidase inhibitor therapy
References
- European Chemicals Agency - ECHA. "dexchlorpheniramine: The European Chemicals Agency (ECHA) is an agency of the European Union which is the driving force among regulatory authorities in implementing the EU's groundbreaking chemicals legislation for the benefit of human health and the environment as well as for innovation and competitiveness.". https://echa.europa.eu/ (accessed September 17, 2018).
- HSDB. "DEXCHLORPHENIRAMINE". https://toxnet.nlm.nih.gov/cgi-bin/s... (accessed September 17, 2018).
- NCIt. "Dexchlorpheniramine: NCI Thesaurus (NCIt) provides reference terminology for many systems. It covers vocabulary for clinical care, translational and basic research, and public information and administrative activities.". https://ncit.nci.nih.gov/ncitbrowser... (accessed September 17, 2018).
Reviews
The results of a survey conducted on ndrugs.com for Dexclorfeniramina 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 Dexclorfeniramina. 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
