Persistent dry cough, which usually worsens at night, despite having several causes, can be caused by an allergic reaction and in this case, the best thing to do is to fight the allergy with the use of an antihistamine remedy such as Loratadine, for example. However, one must find the cause of the allergy and avoid exposure to this cause.
After some time persistent dry cough that presents with catarrh can in some cases be tuberculosis and, if it occurs, it is important to make an appointment with a pulmonologist to indicate the best treatment.
How to treat
Treatment for persistent dry cough should be orientated to resolve its cause. In cases of dry cough with an allergic cause, besides the use of medication prescribed by a doctor, it is important:
- Drink at least 1.5 liters of water a day because water helps to keep the airways hydrated and decreases throat irritation;
- Take 1 tablespoon of carrot syrup or oregano about 3 times a day. These syrups have antitussive properties, reducing coughing attacks.
- Drink 1 cup of mint tea, about 3 times a day. Mint has a tranquilizing, antitussive, mucolytic, expectorant and decongestant action, helping to relieve cough. To make the tea just add 1 teaspoon of dried or fresh mint leaves into a cup of boiling water and let it rest for 5 minutes, strain and drink straight after;
- Take medication for persistent dry cough under medical supervision, such as Benylin, Robitussin, Covonia and Lempsip, for example;
- Avoid dust inside the home, since contact with animals and cigarette smoke can be the cause of persistent dry cough.
Cases of persistent dry cough for more than 1 week deserve more attention, especially if the individual has asthma, bronchitis, rhinitis or any other chronic respiratory disease. It can mean a worsening of the condition and may need to take antihistamine or corticoid medications.
Common causes of dry cough
The most common causes for dry persistent cough are:
Allergy to dust, animal hair or flower pollen causes throat irritation causing coughing to occur until the cause of the respiratory allergy is identified and eliminated.
2. Gastroesophageal reflux
Gastroesophageal reflux can also cause dry cough after eating spicy or acidic foods. Know more about gastroesophageal reflux.
3. Heart problems
Heart problems such as heart failure, causes fluid accumulation in the lungs, can also cause coughing.
4. Cigarette and pollution
Cigarette smoke and pollution cause throat irritation, and may also stimulate the cough reflex.
Asthma causes symptoms such as shortness of breath, wheezing and coughing, especially at night.
It is important for the person who has a persistent dry cough to drink plenty of water, to keep the throat moist, and to avoid dry environments. Dry and persistent cough can also be caused as a side effect of medication, although it is not a frequent cause. Psychological conditions, stress and anxiety, in some people cause an increase in respiratory rate which stimulates coughing.
The person suffering from dry cough should make an appointment with a general practitioner so he can request tests to identify the cause of the cough and then indicate the best treatment.