I have hard cough I can't sleep .. which medicine...

What is the treatment for cough?
There are many causes that lead to cough which will be mentioned later. Due to the spread of the Corona pandemic, infection with the virus must initially be excluded. In case the COVID-19 has been excluded, some remedies can be used to relieve cough which contain dextromethorphan. In addition to use antihistamines such as loratadine, and avoiding polluted places, exposure to dust and dirt, drinking plenty of fluids and warm drinks, taking care of good nutrition, taking vitamin C, and avoiding exposure to cold air. Furthermore, in case of bacterial infection, an antibiotic such as levofloxacin can be used, with the possibility of using a bronchodilator such as SALBUTAMOL as in asthma.

Diagnosis?
Clinical medical examination and taking your medical history by a specialist doctor. Complete blood test (CBC) to detect the presence of infections or anemia, PCR examination to detect infection with the Corona virus, and a chest x-ray can also be done to detect the presence of infections or lung fibrosis
What are the causes of cough?
1. Covid-19
2. Pneumonia
3. Smoking
4. Bronchitis
5. Chest allergies
6. Some medicines
7. Heart failure
8. Other reasons

Advice:
Follow the previous instructions and refer to the chest doctor to do the previous examinations