Drugs Home > Loratadine and Pseudoephedrine Sulfate Side Effects

Drowsiness, dizziness, and insomnia are among the most commonly reported side effects of loratadine and pseudoephedrine sulfate. These side effects are generally minor and either don't require treatment or can be treated easily. However, you should seek prompt medical attention if you develop any serious loratadine and pseudoephedrine sulfate side effects, such as wheezing, chest pain, or seizures.

An Introduction to Loratadine and Pseudoephedrine Sulfate Side Effects

As with any medicine, side effects are possible with loratadine and pseudoephedrine sulfate (Claritin-D®). However, not everyone who takes the medication will experience side effects. In fact, most people tolerate it quite well. If side effects do occur, in most cases, they are minor and either require no treatment or can easily be treated by you or your healthcare provider.
(This article covers many, but not all, of the possible side effects with loratadine and pseudoephedrine sulfate. Your healthcare provider can discuss a more complete list of loratadine and pseudoephedrine sulfate side effects with you.)

Serious Loratadine and Pseudoephedrine Sulfate Side Effects

Some side effects with loratadine and pseudoephedrine sulfate, while occurring infrequently, are potentially serious and should be reported immediately to your healthcare provider. As with most recently approved non-prescription products, loratadine and pseudoephedrine sulfate is usually safe to use and rarely causes serious side effects. These potentially serious side effects include but are not limited to:
  • Wheezing or other breathing problems
  • High blood pressure (hypertension)
  • An irregular heart rhythm (arrhythmia) or rapid heart rate (tachycardia)
  • Chest pain
  • Seizures
  • Difficulty passing urine
  • Signs of an allergic reaction, including an unexplained rash, hives, itching, and unexplained swelling, especially of the lips, mouth, or throat.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
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