It is quite common for antihistamines like Allegra to become less effective over time. Fortunately, you have several excellent long-term options. A doctor may suggest safely increasing your daily dose of second-generation antihistamines under supervision, or adding a different class of medication, such as an H2 blocker. For persistent hives, a highly effective biologic injection called omalizumab is often recommended. Please consult an allergist or dermatologist to safely adjust your treatment plan and find the relief you deserve.

Allegra (fexofenadine) 120 mg is generally considered safe to use while breastfeeding. Only a very small amount of the medication passes into breast milk, making it highly unlikely to affect your one-year-old. Since it is a non-drowsy antihistamine, it is often a preferred choice. As a precaution, just keep an eye on your baby for any unusual sleepiness or dry mouth. Since your skin rashes and bumps are severe, please consult your doctor or a dermatologist for a proper evaluation and to ensure you receive the best care.

The redness and itching after scratching are common, as scratching irritates the skin and triggers more inflammation. To help your skin heal, try to avoid scratching and keep the area well-moisturized with a gentle, fragrance-free moisturizer. Since Halobetasol Propionate is a highly potent steroid, it is important not to use it long-term without supervision. Please consult your healthcare provider to evaluate these lingering symptoms; they may recommend transitioning to a milder treatment to safely manage the remaining itch.

Since fexofenadine and montelukast (Allegra M) provide only temporary relief, your symptoms may be triggered by bedroom allergens like dust mites or mold, or possibly nighttime acid reflux. To help, try washing your bedding weekly in hot water and using allergen-proof covers. I highly recommend seeing a doctor or allergist. They can help identify the exact trigger and may suggest adding a generic corticosteroid nasal spray or adjusting your therapy for more consistent, long-term relief.

Cold symptoms with headache and multiple mouth ulcers can occur during viral infections, lowered immunity, stress, nutritional deficiencies, fever-related dehydration, or mouth irritation. Ulcers on the tongue, gums, and inner cheeks may become painful while eating, drinking, or brushing teeth. Medicines like Allercet DC or Allegra M are mainly used for allergy-related symptoms such as sneezing, runny nose, or nasal irritation, but they do not directly heal mouth ulcers. Relief for ulcers usually focuses on reducing pain and irritation. Doctors may recommend antiseptic mouth gels, vitamin B complex supplements, soothing oral paints, or medicated mouth rinses, depending on severity. Drinking enough fluids, avoiding spicy foods, and maintaining gentle oral hygiene may help with healing. If the ulcers are very frequent, associated with high fever, white patches, severe weakness, or difficulty swallowing, further evaluation may be needed to rule out infection or nutritional problems.

Since your symptoms haven't improved after five days of using fexofenadine (Allegra 180) and Calosoft-AF lotion, I recommend consulting a doctor for a physical examination. While these treatments are excellent for soothing mild irritation, your persistent rash?which could be hives or contact dermatitis?may require a different approach, such as a prescription-strength topical cream. Please avoid switching to new medications without medical guidance.