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Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice.
Brand Name
Sudogest 12 Hour
Generic Name
Pseudoephedrine Hcl
Active Ingredient
PseudoephedrineCategory
Expectorant [EPC]
Salt Form
Hydrochloride
Variants
1
Different strengths and dosage forms
| Strength | Form | Route | NDC |
|---|---|---|---|
| 120 mg/1 | TABLET, FILM COATED, EXTENDED RELEASE | ORAL | 0904-6754 |
Detailed information about Sudogest 12 Hour
This page is for informational purposes only and does not replace medical advice. Before using any prescription or over-the-counter medication for Sudogest 12 Hour, you must consult a qualified healthcare professional.
Pseudoephedrine is a sympathomimetic amine used primarily as a potent nasal and sinus decongestant. It belongs to the drug class of decongestants and works by narrowing blood vessels in the nasal passages to improve airflow and drainage.
For adults and adolescents 12 years of age and older, the standard dosing for immediate-release formulations is 60 mg every 4 to 6 hours as needed. The maximum daily dose is 240 mg in a 24-hour period. For extended-release (ER) formulations, the typical dose is 120 mg every 12 hours or 240 mg once every 24 hours. Healthcare providers emphasize that ER tablets must be swallowed whole and never crushed or chewed.
Pediatric dosing must be approached with caution and is based on age:
Because pseudoephedrine is primarily excreted by the kidneys, patients with decreased renal function (kidney disease) may require lower doses or extended dosing intervals to prevent drug accumulation and toxicity.
No specific dosage adjustments are typically required for patients with liver disease, as hepatic metabolism is a minor pathway for this drug.
Patients over age 65 may be more sensitive to the central nervous system and cardiovascular effects of pseudoephedrine. Providers often recommend starting at the lower end of the dosing range.
Pseudoephedrine can be taken with or without food. If the medication causes an upset stomach, taking it with a meal or glass of milk may help. To prevent insomnia (difficulty sleeping), avoid taking doses close to bedtime. Extended-release tablets should be taken with a full glass of water.
If you miss a dose, take it as soon as you remember. If it is almost time for your next scheduled dose, skip the missed dose and resume your regular schedule. Do not double the dose to catch up.
Signs of overdose include extreme restlessness, severe hypertension (high blood pressure), tachycardia (fast heart rate), hallucinations, and seizures. In the event of a suspected overdose, contact a poison control center or seek emergency medical attention immediately.
> Important: Follow your healthcare provider's dosing instructions. Do not adjust your dose without medical guidance.
Many patients taking pseudoephedrine experience mild stimulatory effects. These may include:
> Warning: Stop taking Pseudoephedrine and call your doctor immediately if you experience any of these.
Pseudoephedrine is intended for short-term use (usually no more than 7 days). Prolonged use does not typically lead to 'rebound congestion' like nasal sprays do, but chronic use can lead to psychological dependence or chronic sleep disturbances.
There are currently no FDA black box warnings for pseudoephedrine. However, it is strictly contraindicated for use within 14 days of taking Monoamine Oxidase Inhibitors (MAOIs).
Report any unusual symptoms to your healthcare provider.
Pseudoephedrine is a potent stimulant. Patients with underlying cardiovascular conditions must use this medication with extreme caution. It can increase blood pressure and heart rate even in healthy individuals.
No FDA black box warnings for Pseudoephedrine.
Healthcare providers may monitor:
While pseudoephedrine usually causes alertness, it can occasionally cause dizziness or tremors in some individuals. Patients should observe their reaction to the drug before driving or operating heavy machinery.
Alcohol should be used with caution. While there is no direct chemical contraindication, alcohol can increase the risk of dizziness and may impair the judgment of patients already feeling 'jittery' from the stimulant.
No tapering is required for short-term use. If the medication has been used inappropriately for a long duration, patients should consult a doctor to manage potential fatigue or mood changes upon stopping.
> Important: Discuss all your medical conditions with your healthcare provider before starting Pseudoephedrine.
Pseudoephedrine may interfere with some urine drug screens, potentially causing false-positive results for amphetamines. Inform laboratory personnel if you are taking this medication.
> Important: Tell your doctor about ALL medications, supplements, and herbal products you are taking.
Patients who have had severe reactions to other stimulants or decongestants (such as phenylephrine or ephedrine) may exhibit cross-sensitivity to pseudoephedrine.
> Important: Your healthcare provider will evaluate your complete medical history before prescribing Pseudoephedrine.
Pseudoephedrine is generally classified as Pregnancy Category C. Some epidemiological studies have suggested a slight increase in the risk of gastroschisis (a birth defect of the abdominal wall) when used in the first trimester. Healthcare providers typically recommend avoiding its use during the first trimester and using it only if the benefits clearly outweigh the risks in later stages.
Pseudoephedrine is excreted in human milk. A single 60 mg dose has been shown to decrease milk production by approximately 24% in some studies. It may also cause irritability or poor sleep in the nursing infant. It is generally recommended to use nasal sprays (oxymetazoline) or consult a doctor for safer alternatives during lactation.
Pseudoephedrine is not recommended for children under 2 to 4 years of age due to the risk of serious side effects, including convulsions and death. Always use a calibrated measuring device for liquid forms and consult a pediatrician before administration.
Elderly patients are at higher risk for adverse reactions, particularly confusion, hallucinations, and cardiovascular complications. Renal function should be considered when determining the dose for older adults.
In patients with significant renal impairment, the half-life of pseudoephedrine can be significantly prolonged. Dose reduction or increased intervals between doses are necessary to prevent toxicity.
No significant dose adjustments are typically required for patients with hepatic impairment, though overall health status should be monitored.
> Important: Special populations require individualized medical assessment.
Pseudoephedrine is a sympathomimetic amine that acts directly on alpha-adrenergic receptors in the respiratory tract mucosa to produce vasoconstriction. It also has an indirect effect by releasing norepinephrine from its storage sites. By constricting dilated arterioles, it reduces nasal congestion and increases nasal airway patency.
The onset of action for immediate-release pseudoephedrine is approximately 30 minutes, with peak effects occurring between 1 and 2 hours. The duration of effect is typically 4 to 6 hours for standard tablets and up to 24 hours for extended-release versions. Chronic use can lead to tachyphylaxis (rapidly diminishing response to the drug).
| Parameter | Value |
|---|---|
| Bioavailability | ~90% |
| Protein Binding | Low (not precisely quantified) |
| Half-life | 5–8 hours (pH dependent) |
| Tmax | 0.5–2 hours (IR); 4–6 hours (ER) |
| Metabolism | Minimal hepatic (<1%) |
| Excretion | Renal 55–90% (unchanged) |
Pseudoephedrine is classified as a Nasal Decongestant and a Sympathomimetic Amine. It is related to other stimulants like ephedrine and phenylephrine, though it is more effective than oral phenylephrine for nasal congestion.
Common questions about Sudogest 12 Hour
Pseudoephedrine is primarily used as a decongestant to relieve nasal and sinus congestion caused by the common cold, hay fever, or other upper respiratory allergies. It works by narrowing the blood vessels in the nasal passages, which reduces swelling and allows for easier breathing. Healthcare providers may also recommend it to relieve sinus pressure and promote drainage of the sinus cavities. It is often found as a key ingredient in many over-the-counter multi-symptom cold and allergy medications. Because it is a stimulant, it is highly effective at reducing the 'stuffy' feeling associated with respiratory infections.
The most frequently reported side effects of pseudoephedrine are related to its stimulant properties and include insomnia, nervousness, and restlessness. Many patients also experience a dry mouth, mild dizziness, or a slight tremor in the hands. Because it causes vasoconstriction, some individuals may notice a slight increase in heart rate or blood pressure. These effects are usually mild and resolve once the medication is discontinued or the dose wears off. If these symptoms become severe or distressing, you should contact your healthcare provider immediately.
While there is no direct chemical interaction between alcohol and pseudoephedrine, healthcare providers generally advise caution when combining the two. Alcohol can cause dehydration and may worsen the dizziness or lightheadedness that some people feel while taking decongestants. Furthermore, the stimulating effects of pseudoephedrine might mask the sedative effects of alcohol, potentially leading to impaired judgment. It is best to limit alcohol intake while treating a cold or sinus infection to allow your body to recover more effectively. Always consult your doctor regarding your specific health risks.
The safety of pseudoephedrine during pregnancy is a subject of ongoing clinical discussion, and it is generally classified as Category C. Some studies have suggested a small increase in the risk of specific birth defects, such as gastroschisis, particularly when used during the first trimester. Most healthcare providers recommend avoiding pseudoephedrine during the first three months of pregnancy unless absolutely necessary. In the second and third trimesters, it may be used sparingly under medical supervision if other treatments are ineffective. Always speak with your obstetrician before taking any decongestant while pregnant.
For immediate-release tablets or liquids, pseudoephedrine typically begins to work within 30 minutes of ingestion. Most patients feel the maximum decongestant effect within 1 to 2 hours as the drug reaches its peak concentration in the bloodstream. Extended-release formulations are designed to release the medication slowly, so while they may start working quickly, their full effect is sustained over 12 to 24 hours. The relief from nasal congestion usually lasts for the duration of the dosing interval, which is 4 to 6 hours for standard tablets. If symptoms do not improve within 7 days, you should consult a doctor.
Yes, pseudoephedrine can typically be stopped abruptly without the need for a tapering schedule, especially when used for short-term relief of cold symptoms. Unlike some nasal spray decongestants, oral pseudoephedrine does not usually cause 'rebound congestion' (worsening symptoms upon stopping). However, if someone has been using the drug inappropriately or at high doses for a long period, they may experience mild fatigue or a 'crash' when stopping. Most people can safely discontinue the medication as soon as their nasal congestion has cleared. If you have concerns about stopping the medication, your healthcare provider can offer guidance.
If you miss a dose of pseudoephedrine, you should take it as soon as you remember, provided it is not too close to your next scheduled dose. If it is nearly time for your next dose, skip the missed one and continue with your regular dosing schedule. You should never take two doses at once or 'double up' to make up for a missed dose, as this increases the risk of side effects like high blood pressure and rapid heart rate. Since pseudoephedrine is often taken on an 'as-needed' basis, missing a dose is generally not a cause for concern. Always follow the specific instructions on the product packaging or from your pharmacist.
Pseudoephedrine is not known to cause weight gain; in fact, as a sympathomimetic stimulant, it is more likely to cause a temporary decrease in appetite. Historically, drugs in this class have been studied for weight loss, though pseudoephedrine is not approved or recommended for this purpose. Any changes in weight while taking pseudoephedrine for a short-term cold are likely due to changes in fluid intake or activity levels rather than the drug itself. If you experience significant or unexpected weight changes, you should discuss them with your healthcare provider. It is important to use the medication only for its intended purpose as a decongestant.
Pseudoephedrine has several significant drug interactions that require careful management by a healthcare professional. It should never be taken with Monoamine Oxidase Inhibitors (MAOIs), as this can lead to a life-threatening hypertensive crisis. It may also interact with blood pressure medications, certain antidepressants, and other stimulants, potentially increasing heart rate or blood pressure. Even over-the-counter products, like other cold medicines or caffeine, can increase the risk of side effects. Always provide your doctor or pharmacist with a full list of all medications and supplements you are currently taking before starting pseudoephedrine.
Yes, pseudoephedrine is widely available as a generic medication and is often significantly less expensive than brand-name versions like Sudafed. Generic versions are required by the FDA to have the same active ingredient, strength, and effectiveness as the brand-name drug. You can find generic pseudoephedrine in various forms, including immediate-release tablets, 12-hour extended-release, and 24-hour extended-release. While it is available without a prescription in many countries, it is often kept 'behind the counter' at pharmacies to comply with regulations. Your pharmacist can help you select the appropriate generic version for your needs.
Other drugs with the same active ingredient (Pseudoephedrine)