Phenylephrine is a decongestant used for colds, allergies, or sinus irritation. Mild side effects include nasal irritation and stomach upset, while serious side effects include high blood pressure, allergic reactions, and chest pain. It can also cause dryness, burning, dizziness, and restlessness. Those with heart problems, prostatic hyperplasia, or epilepsy should avoid it. Children under four should not take it.
Phenylephrine is a medication that is typically used as a decongestant for those suffering from colds, allergies, or sinus irritation. While it is well tolerated by many, some may experience side effects. Side effects of phenylephrine can be mild and can include nasal irritation or stomach upset. This drug, however, is known to cause a number of serious side effects such as high blood pressure, allergic reactions, and chest pain.
Some of the more common side effects of phenylephrine are usually mild and short-lived. Because this medication may be taken as a nasal spray, it can potentially cause dryness or a burning or burning sensation in the nasal passages. Other mild side effects of phenylephrine can include stomach problems, dizziness, excitability and restlessness, or trouble sleeping.
Although generally thought to be rare, some will experience more serious phenylephrine side effects. Allergic reactions are not unusual and can present in the form of obvious swelling in the extremities, nose or throat. This reaction can also cause difficulty breathing or a painful rash. In addition to skin rashes, this drug might also cause excessive skin bruising or bleeding.
For those with heart problems, prostatic hyperplasia or epilepsy, the side effects of phenylephrine can be particularly problematic. Because this drug can cause chest pain, an increase in blood pressure, and a decrease in heart rate, people with chronically high blood pressure are discouraged from taking this drug. Additionally, phenylephrine can cause symptoms to worsen for those with prostatic hyperplasia. This drug is also known to interact negatively with anticonvulsant drugs and can cause seizures in epileptic patients.
Other serious reactions may include fainting and a tingling sensation in the feet or hands. Changes in mood, behavior, or mental state are rare but possible, as is a decrease in urination frequency. In some cases, the patient may also feel a distinct trembling or weakness in the extremities.
Although serious side effects are more common in those with certain medical conditions, those who are otherwise healthy can be affected. Young children are also more likely to develop negative reactions as their bodies absorb the drug quickly, which can lead to an overdose. Children who develop reactions may have symptoms such as shaking, increased heart rate, pale skin, or sweating. This drug is not recommended for children under the age of four.
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