Azelastine has a half life - the time it takes for the amount of a drug’s active substance to reduce by half in the body - of around 20 hours. Doctors may call it Astepro or Astelin.Īdults and children over the age of 6 years can use this medication. Azelastine nasal spraysĪzelastine nasal spray is only available on prescription. People should always follow the instructions on the packet.Ĭommon types of antihistamines include the following. However, driving or operating heavy machinery after taking some types of antihistamines may not be safe. Some last between 4 and 6 hours, while others can last for 12–24 hours. People should speak with a doctor before taking antihistamines if they are pregnant or have the following health conditions:ĭifferent types of antihistamines are available from drug stores or on prescription from a doctor. feeling nervous, irritable, or excitable.The possible side effects of these medicines include: For example, people may be allergic to pet dander, pollen, or dust.Īntihistamines block the effects of histamine and ease allergy symptoms, which can include sinus pressure. Allergies occur when the immune system reacts to a substance that is not harmful and releases chemicals that doctors call histamines. People can take antihistamines to treat allergies. Sudafed 12-hour tablets contain pseudoephedrine. This medication comes in tablet or liquid form. People with colds or allergies can use pseudoephedrine to ease sinus pressure. Neo-Synephrine, Sinex, Rhinall, and the pill form of Sudafed-PE all contain phenylephrine. Phenylephrine can ease stuffiness and sinus pressure and is available as a pill or a nasal spray. People can use it to relieve sinus pressure if they have a cold or allergies, including hay fever.Īfrin, Dristan, Nostrilla, and Vicks Sinus Nasal Spray are all types of oxymetazoline. People can use it if they have a cold, allergy, or eye irritation. Naphazoline is usually an eye drop product.

The possible side effects of decongestants include:Įxamples of decongestants include the following.

Anyone already taking prescription medication or who has one of the following medical conditions should also speak with their doctor before taking a decongestant: Sometimes, decongestants can interfere with prescription medicines. Additionally, people should not use more than one decongestant at once. When taking over-the-counter (OTC) decongestants, it is important to follow the advice on the label. Pseudoephedrine and phenylephrine products are only suitable for adults and children over 4 years of age. Pill and spray decongestants are available. This allows the swollen tissue to shrink and enables air to pass through the sinuses more easily. Decongestants narrow the blood vessels in the nose.

Otc allergy meds