Downstream of dams, marked changes in fish populations occur as a consequence of blockage of migration routes, disconnection of the river and floodplain and changes in flow regime, physiochemical conditions (e.g. temperature, turbidity and dissolved oxygen), primary production and channel morphology.
Uses. This combination medication is used to treat high pressure inside the eye due to glaucoma (open-angle type) or other eye diseases (e.g., ocular hypertension).Lowering high pressure inside the eye helps to prevent blindness. This product contains brimonidine and timolol.se eye drops before eye ointments to allow the eye drops to enter the eye. Use this medication regularly in order to get the most benefit from it. To help you remember, use it at the same times each day. It is important to continue using this medication even if you feel well.
Expectorants Definition Expectorants are drugs that loosen and clear mucus and phlegm from the respiratory tract. Purpose The drug described here, guaifenesin, is a common ingredient in cough medicines.It is classified as an expectorant, a medicine that helps clear mucus and other secretions from the respiratory tract.However, some debate exists about how effectively guaifenesin does this.urpose The drug described here, guaifenesin, is a common ingredient in cough medicines. It is classified as an expectorant, a medicine that helps clear mucus and other secretions from the respiratory tract. However, some debate exists about how effectively guaifenesin does this.