Is it good to lower blood pressure with Robitussin tablets?

The generic name of rooibos tablets have two kinds of compound rooibos tablets (Ⅰ) and compound rooibos tablets (Ⅱ), both of which have the effect of lowering blood pressure, and its antihypertensive effect varies from person to person, compared with other antihypertensive drugs, there is no absolute good or bad difference.
Compound rooibos tablets (Ⅰ) and compound rooibos tablets (Ⅱ) of the same composition, only the ratio is different, so both are used in the treatment of hypertension, its mechanism of action is not clear, but animal experiments have proved that there is a significant antihypertensive effect on hypertension, large doses of both have a central sedative effect, and so far have not been found to be related to the adverse effects.
Both drugs are not used as the first choice for pregnant women and lactating women with hypertension, and the dosage should be reduced for children. Both drugs are contraindicated in people who are allergic to these two drugs; contraindicated when there is a change in the nature of the drug; used with caution in patients with hypertension accompanied by diabetes mellitus and gout; and used with caution in people who drive vehicles and work at heights.
If you need to use these two drugs patients, please under the guidance of a doctor or pharmacist, strictly comply with the medical advice to take medication, do not self-medication.