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Table 1 Surface tension at the surface-to-air interface for oral OTC formulations

From: Surface tension examination of various liquid oral, nasal, and ophthalmic dosage forms

Solution Indication Surface tension (dynes/cm)
Kaopectate® Max Anti-diarrheal, relives nausea and upset stomach associated with diarrhea 64.7 ± 0.1
CareOne™ Regular Strength Stomach Relief Antihistamine for allergic reactions, motion sickness, cold, itching, nausea/vomiting, sleep aid 59.6 ± 0.6
CareOne™ Loperamide HCl Oral Suspension Anti-diarrheal, traveler’s diarrhea 57.8 ± 0.7
Children’s Delsym® Cough + Cold Nitetime Cough, nasal congestion, symptoms of hay fever (sneezing, runny nose and itchy watery eyes) 49.0 ± 0.6
Chloraseptic® Sore Throat (Phenol/Oral Anesthetic) Upset stomach (indigestion/heartburn), anti-diarrhea, nausea, belching 44.6 ± 0.2
CareOne™ Multi-Symptom Nitetime Cold/Flu Relief Pain/fever reducer, cough suppressant, antihistamine 41.5 ± 0.1
CareOne™ Non-Drowsy Daytime Cold/Flu Relief Pain/fever reducer, cough suppressant, antihistamine 41.3 ± 0.2
CareOne™ Infants’ Ibuprofen Oral Suspension Pain and fever reducer 39.0 ± 0.7
Halo™ Oral Antiseptic Oral antiseptic 37.6 ± 0.4
Concentrated Motrin®’s Infants' Drops Relieves fever and minor aches/pain due to common cold 36.6 ± 0.6
Gastric fluid   ~36.8 fasting ~30.5 fed
Duodenum fluid   ~37 fasting ~31.3 fed
Jejunum fluid   ~30.5 fasting ~30.0 fed