Why can’t you use decongestants for more than 7 days?
Decongestant nasal sprays and drops should not be used for more than a week at a time because using them for too long can make your stuffiness worse.
Speak to a GP if your symptoms do not improve after this time..
How long does Sudafed stay in your system?
Conclusions. Following therapeutic, multiple dosing, drug levels remain above the IOC cut-off levels for a minimum of 6 h and 16 h following final doses of phenylpropanolamine and pseudoephedrine, respectively.
Why is Sudafed bad?
Pseudoephedrine constricts blood vessels in the nose and sinuses. This shrinks swelling and drains fluids, letting you breathe easier again. Unfortunately, the drug doesn’t affect only the head — it tightens blood vessels throughout the body. One effect is a possible increase in blood pressure.
How many days can you take Sudafed?
Pseudoephedrine can be taken for a few days, usually up to 5 to 7 days, for the short-term relief of a stuffy or blocked nose. Is it safe to take for a long time? Decongestants should only be used for a short time, usually less than 10 days. If you take them for longer, you’re more likely to get side effects.
Can you take Sudafed for more than 3 days?
Decongestant nose sprays and drops are also available over the counter. However, these products shouldn’t be used for more than 3 days. Your body can become dependent on them. If you become dependent on these medicines, your nose may feel even more stuffed up when you quit using them.
Is it OK to take one Sudafed a day?
Sudafed 24 Hour Take one tablet every 24 hours. Do not take more than one tablet every 24 hours. Do not crush or chew the tablets.