Allergy symptoms all over the body can be managed with anti-allergy medicines, but the right medicine depends on the cause and severity. It is better to consult a doctor who can suggest a suitable option and the correct dose. Avoid things that trigger your allergy and keep your skin well moisturised. Do not take medicines repeatedly without proper advice.

Cold, cough, and nasal blockage for a few days are commonly caused by viral infection, allergy, weather changes, or sinus irritation. Levocetirizine 5 mg may help more in allergy-related symptoms such as sneezing and a runny nose, but it may not always give quick relief if the problem is due to a viral infection or significant nasal congestion. Rest, warm fluids, steam inhalation, and proper hydration may help loosen mucus and reduce nasal blockage gradually. Avoid cold drinks, smoke, dust, and sudden temperature changes because these may worsen irritation. Sleeping with the head slightly elevated may also help improve breathing during the night. Taking levocetirizine twice daily without medical advice may increase drowsiness in some people, so medicine timing and dose should be reviewed carefully. Most mild viral colds improve within several days, but persistent symptoms may sometimes suggest sinus infection or stronger allergy triggers. Avoid starting multiple cough or antibiotic medicines on your own without proper evaluation. Consult a doctor if fever develops, breathing becomes difficult, mucus turns thick yellow or green, chest pain appears, or symptoms continue worsening after several days.

If you have a severe cold with frequent sneezing and nose pain, try steam inhalation and use saline nasal drops or spray to soothe irritation. Rest well, drink warm fluids, and avoid cold air or dust. If symptoms last more than a few days, consult a doctor for proper treatment.

For a wet cough with nasal blockage and head pain, try steam inhalation or a cool-mist humidifier, use saline nasal drops, drink plenty of fluids, and get enough rest. You can take paracetamol for pain or fever if needed. If symptoms persist or worsen, consult a doctor.

Red, itchy skin on your neck may be a fungal infection that has not improved because it needs proper antifungal treatment. Keep the area clean and dry, avoid scratching, wear loose clothing, and consult a dermatologist to get the right medicine and prevent it from coming back.

If you have back acne along with itching, azithromycin and levocetirizine can help temporarily, but you may need a better long-term routine. Use a body wash while bathing, avoid very tight clothing, and shower after sweating. For itching, moisturising the skin and avoiding harsh soaps also helps. If the condition persists or worsens, consult a dermatologist. Azithromycin should not be taken repeatedly without medical advice, as it may cause antibiotic resistance.