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Tri-Lo (Norgestimate, Ethinyl Estradiol)
| Norgestimate / Ethinyl Estradiol (Generic) Norgestimate, Ethinyl Estradiol | ||||||
Shipped from United Kingdom | ||||||
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General Medication Fact Sheet for Tri-Lo
| Field | Information |
|---|---|
| Medication Name | Tri-Lo |
| Generic Name | Ethinyl Estradiol and Norgestimate |
| Boxed/Label Warning | Cigarette smoking increases the risk of serious cardiovascular events (especially in women over 35 years of age) while using oral contraceptives. |
| Purpose | Oral contraceptive used to prevent pregnancy. |
| Mechanism of Action | Prevents ovulation, thickens cervical mucus, and alters the uterine lining to prevent implantation. |
| Dosage Forms | Oral tablets |
| Available Strengths | Ethinyl Estradiol/Norgestimate: 0.025 mg/0.18 mg (7 days), 0.025 mg/0.215 mg (7 days), 0.025 mg/0.25 mg (7 days), followed by 7 inert tablets. |
| Dosage Frequency | Once daily, every day of the month. |
| Common Side Effects | Nausea, headache, breast tenderness, mood changes, weight changes. |
| Serious Side Effects | Blood clots, stroke, heart attack, liver tumors, high blood pressure, gallbladder disease. |
| Drug Interactions | Certain antibiotics, antifungals, HIV medications, anti-seizure medications, St. John’s Wort. |
| Important Notes | Take at the same time each day. Consistent use is essential for effectiveness. Inform your doctor about all other medications and medical conditions. |
| Storage | Store at room temperature away from moisture and light. |
| Missed Dose | Follow instructions in the product packaging. Generally, take the missed pill as soon as you remember, unless it’s almost time for the next pill. Use backup contraception if you miss multiple pills. |
| Alternatives | Sprintec (Ethinyl Estradiol/Norgestimate), Ortho Tri-Cyclen Lo (Ethinyl Estradiol/Norgestimate), Yasmin (Drospirenone/Ethinyl Estradiol), Alesse (Ethinyl Estradiol/Levonorgestrel). |
Tri-Lo Alternatives
| Medication | Mechanism of Action | Notes |
|---|---|---|
| Sprintec (Ethinyl Estradiol/Norgestimate) | Prevents ovulation, thickens cervical mucus, and alters the uterine lining. | Monophasic combined oral contraceptive. |
| Ortho Tri-Cyclen Lo (Ethinyl Estradiol/Norgestimate) | Prevents ovulation, thickens cervical mucus, and alters the uterine lining. | Triphasic combined oral contraceptive, similar to Tri-Lo but with different hormone ratios. |
| Yasmin (Drospirenone/Ethinyl Estradiol) | Prevents ovulation, thickens cervical mucus, and alters the uterine lining. | Combined oral contraceptive containing drospirenone, a progestin with anti-androgenic effects. |
| Alesse (Ethinyl Estradiol/Levonorgestrel) | Prevents ovulation, thickens cervical mucus, and alters the uterine lining. | Low-dose combined oral contraceptive. |
Tri-Lo Side Effects
| Common Side Effects | Serious Side Effects |
|---|---|
| Nausea | Blood clots |
| Headache | Stroke |
| Breast tenderness | Heart attack |
| Mood changes | Liver tumors |
| Weight changes | High blood pressure |
| Spotting between periods | Gallbladder disease |
Tri-Lo Dosage Guide
| Condition | Starting Dose | Maintenance Dose | Administration Notes |
|---|---|---|---|
| Contraception | One tablet | One tablet daily | Start on the first day of your period or as directed by your doctor. Take at the same time each day. |
