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The side effects are individualized. Mostly the drugs are well tolerated by most masses. A few though report some side effects. The commonly reported side effects include:
1. Tablet Omnacortil
is associated with gastritis/ulcers/dyspepsia; weight changes, high blood pressure
and elevated blood sugars. Prolonged use is associated with calcium depletion and osteoporosis
and one cannot stop it cold turkey.
2. Deslor is associated with dryness, dry mouth, headache, nausea, gastrointestinal disturbances, dizziness, drowsiness
3. Montemac - L might interact with deslor and increasing its side effects. Instead plain montelukast
which has less interactions may be tried. Motelukast can cause mild headache and some gastrointestinal disturbances.
The information leaflet given along with these drugs will contain side effect profile of each of these drug. Consider referring to it for more details.
Hope this answers your query.
Wish you good health.