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Karbinal ER

Generic Name: Carinoxamine [car-biNOX-a-meen] .

Brand Names: Karbinal ER, Ryvent.
Drug Class: Antihistamines.

What is karbinal ER?

It is an antihistamine. It is used to treat runny or stuffy noses or sneezing. Itching eyes, watery eyes, skin eruptions, itching, and many other symptoms of allergies Karbinal ER can be used by adults and children who are at least 2 years old. Karbinal ER can also be prescribed for reasons that are not covered in this guideline.

Side effects of Karbinal

See a doctor immediately. Get medical attention immediately if you notice symptoms that are warning signs of an allergic response, such as hives, difficulty breathing and swelling of your lips, face, and throat. Karbinal ER could result in serious side effects. Do not use Karbinal ER and consult your physician immediately if you suffer from:

  • A feeling of lightheadedness, as if you're passing out.
  • Minimal or no urination.
  • Wheezing or chest tightness.
  • Beats of your heart, or fluttering around your chest.
  • Pale skin, easily bleeding or bruising.

For instance, dizziness and confusion could be more common in older people.

Common adverse consequences of Karbinal ER can include:

  • Drymouth in the nose, mouth, or throat.
  • Drowsiness, dizziness.
  • Loss of coordination.
  • Upset stomach.

This list does not comprise all possible side effects; others could develop. Contact your physician to seek medical advice on the effects. You can report any side effects to the FDA at 1-800-FDA-1088.


Only use according to the directions. Inform your doctor if you take other medications or suffer from any other medical condition or allergies.

Before you take this drug

You shouldn't take Karbinal ER if you are allergic to it. Do not take Karbinal ER if you are also taking an MAO inhibitor, such as linezolid and isocarboxazid, as well as the methylene blue injection, phenelzine, or tranylcypromine. Not recommended for use by anyone less than 2 years of age. Speak to your doctor if you have ever suffered from:

  • Glaucoma.
  • A stomach ulcer.
  • A blockage inside your stomach (the stomach or the intestines).
  • A thyroid disorder.
  • Heart issues, high blood pressure.
  • Kidney or liver disease.
  • Asthma or a sulfite allergy.
  • An increased prostate.
  • Urination issues.
  • Lower blood pressure.

It is not recommended to breastfeed while using Karbinal ER. Consult a healthcare provider if you are expecting.

How to take Karbinal ER?

Follow all instructions on the label of your prescription and read the medication guide or instructions sheets. Make sure you use the medicine exactly as prescribed. Follow the directions carefully when providing Karbinal ER to the child. Do not take the medication to induce sleepiness in a child. Misuse of this medication could cause death in infants and young children. Mix your oral suspension with liquid. Use the supplied syringe or measuring device for doses (not the kitchen spoon). Consult your doctor if symptoms don't improve or if they become worse. Keep at room temperature, away from heat, humidity, and light.

What happens if I miss a dose?

Karbinal ER is used as necessary. If you're following a regular dosing regimen and miss a dose, you can skip it. Do not take two doses at once.

What happens if I overdose?

Get medical attention immediately or contact the Poison Help line at 1-800-222-1222. An overdose could cause death, particularly for children. Overdose symptoms can include severe drowsiness, hallucinations, a feeling of restlessness, seizures, or pupils that are dilated (convulsions).

 What should be avoided?

Avoid driving and other hazardous activities until you are aware of what Karbinal ER affects you. The way you react could be impaired. Beware of drinking alcohol. Consult a physician or pharmacist prior to taking different medicines for coughs or colds that may have similar components.

Interaction with other drugs

Talk to a pharmacist or doctor before taking any other medications that could cause drowsiness (such as opioids or sleep medication, a muscle relaxer, or medication to treat anxiety and seizures). Discuss with your doctor all the other medicines you are taking. This includes over-the-counter and prescription medicine, vitamins, and herbal supplements. Not all interactions are mentioned here.