Decongestants are popular nonprescription drugs. They come as pills, capsules, liquids and nose sprays. They’re safe enough to be approved for sale over the counter, but it’s very important to read label warnings.
People can develop allergies or allergic asthma at any age. And if you have one allergy, you can progress to others over the years, perhaps as a result of getting a new pet or moving to a region with different trees, plants, and grasses.