Does Alka-Seltzer Plus Sinus Oral have side effects?
The following side effects are associated with Alka-Seltzer Plus Sinus Oral:
Common side effects of Alka-Seltzer Plus Sinus Oral:
| Conditions of Excess Stomach Acid Secretion | Less Severe |
| Irritation of the Stomach or Intestines | Less Severe |
| Feel Like Throwing Up | Less Severe |
| Throwing Up | Less Severe |
| Heartburn | Less Severe |
| Stomach Cramps | Less Severe |
Infrequent side effects of Alka-Seltzer Plus Sinus Oral:
| Dryness of the Nose | Less Severe |
| Dry Mouth | Less Severe |
| Dizzy | Less Severe |
| Chronic Trouble Sleeping | Less Severe |
| Head Pain | Less Severe |
| Nervous | Less Severe |
| False Sense of Well-Being | Less Severe |
Rare side effects of Alka-Seltzer Plus Sinus Oral:
| Ringing in the Ears | Severe |
| High Blood Pressure | Severe |
| Stroke caused by Bleeding in the Brain | Severe |
| Hemorrhage Within the Skull | Severe |
| Bronchospasm | Severe |
| Stomach or Intestinal Ulcer | Severe |
| Blood coming from Anus | Severe |
| Hepatitis caused by Drugs | Severe |
| Bleeding of the Stomach or Intestines | Severe |
| Interstitial Nephritis | Severe |
| Inflammation of Skin caused by an Allergy | Severe |
| Redness of Skin | Severe |
| Itching | Severe |
| Hives | Severe |
| Drowsiness | Severe |
| Seizures | Severe |
| Rash | Severe |
| Severe Headache | Severe |
| Wheezing | Severe |
| Trouble Breathing | Severe |
| Chest Tightness | Severe |
| Difficult or Painful Urination | Severe |
| Life Threatening Allergic Reaction | Severe |
| Giant Hives | Severe |
| Reaction due to an Allergy | Severe |
| A Rupture in the Wall of the Stomach or Intestine | Severe |
| Hemolytic Anemia | Severe |
| Anemia | Severe |
| Decrease in the Ability of Platelet Cells to Clot | Severe |
| Large Purple or Brown Skin Blotches | Severe |
| Decreased Blood Platelets | Severe |
| Decreased White Blood Cells | Severe |
| Burning Stomach | Less Severe |
| Indigestion | Less Severe |
| Loss of Appetite | Less Severe |
| Abnormal Liver Function Tests | Less Severe |
| Collection of Clotted Blood in an Organ, Space or Tissue | Less Severe |
