Nasal drops are the sterile , aqeous solution which are used to instilled in nose cavity .they are made isotonic with the body fluids . Mainly they are used to treat allergy caused by bacteria they act by restoring moisture to the dry air passages. saline solution, causes the blood vessels in the nose to contract and dilutes mucus and reduces swelling in the sinus area.
Phenylmercuric acetate is used as fungiside, as additive in eye paints , disinfectant
benzalkonium chloride is used as surfactant, in antiseptic creams ,anti- itch ointments .
Used in opthalmic preparations .
Sodium chloride is used as electrolyte which regulates water in the body and prevents dehydration .
Sodium and chloride is the major electrolytes of the fluid compartment outside of cells which work together to control extracellular volume and blood pressure & helps to Maintains isotonicity .
benzalkonium chloride is poorly absorbed and eliminited through the faeces.
Sodium chloride:
absorption:
it is absorbed in the small intestine.
Common side effect includes:
Irritation in nose
Burning sensation
Overactive thyroid
diabetes
coronary heart disease
prostatis
| Sodium Cloride IP | 0.65% W/V |
| Benzalkonium Cholride IP | 0.001% W/V |
| Phenyl Mercuric Acetate IP | 0.002% W/V |