Our expert says:
Antibiotics generally do not cause weight gain. You yourself experienced that usual reaction that patients have to being ill with a respiratory illness like bronchitis and taking antibiotics which can cause lack of appetite, nausea, diarrhoea and even vomiting as side-effects. This is also probably why you lose 1.5 kg in weight. The increase in your weight during the past 2 weeks of 2.4 kg, may well be due to your impending menstruation which can cause water retention because of changes in hormonal levels. It is actually quite normal for body weight to fluctuate from day to day and even from morning to night depending on a variety of factors such as hormonal changes (esp in women), eating a high-salt diet, drinking too much water which can lead to electrolyte imbalances and further water retention, and stress.
Let your body recover properly from the illness and continue to eat a balanced diet and to ingest not more than 2,5 litres of liquid a day and your weight should stabilise after your menstruation.
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