Side effects
Slynd birth control pill common side effects
Data is taken from self reported Lowdown user reviews
Headaches
64% of Slynd birth control pill reviewers reported headaches
Tender breasts
48% of Slynd birth control pill reviewers reported tender breasts
Vaginal dryness
40% of Slynd birth control pill reviewers reported vaginal dryness
Period like cramps
40% of Slynd birth control pill reviewers reported period like cramps
Dizziness
36% of Slynd birth control pill reviewers reported dizziness
Slynd birth control pill rare side effects
Data is taken from self reported Lowdown user reviews
4% of Slynd birth control pill reviewers reported body hair increase
4% of Slynd birth control pill reviewers reported thrush
4% of Slynd birth control pill reviewers reported pelvic infection
Possible Slynd birth control pill side effects
Data is taken from self reported Lowdown user reviews
- Headaches (64%)
- Tender breasts (48%)
- Vaginal dryness (40%)
- Period like cramps (40%)
- Dizziness (36%)
- Vaginal discharge (36%)
- Breast enlargement (36%)
- Lower back pain (36%)
- Migraines (32%)
- Nausea or vomiting (28%)
- Sweating more than usual (20%)
- Migraine with aura (20%)
- Discomfort wearing contact lenses (16%)
- High blood pressure (12%)
- Hair loss (12%)
- Body hair getting darker (4%)
- Body hair increase (4%)
- Thrush (4%)
- Pelvic infection (4%)
- Cystitis (0%)
- A latex allergy (0%)
Reviews
2.9
25 reviews
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Community reviews
Used for 3 - 6 mo
31 years old
🇺🇸 US
• 3 weeks ago
I really discourage anyone from trying this pill, I think its just too high of a dose. I was on for 3 months and noticed immediate headaches which coincided with nausea. This continued all throughout the 3 months and made me feel so ill I had to stop taking it. Its so rough. I couldn't stand it but gave it my best shot. I did lose some water weight initially, but eventually started gaining weight because it messed with my blood sugar and this just made me CRAVE sugar and put weight back on. Awful. I am going back on Noriday (norethisterone mini pill) because although I get a bit of water weight on it, I dont have ANY other side effects and my libido is also not affected (unlike Slynd) so overall it feels healthier and more stable than Slynd.
Decreased sex drive
0 helpful
0 comments
Used for 1 - 3 mo
26 years old
🇺🇸 US
• 3rd May 26
mild joint pain and cramping in calfs and shoulders! Breasts grew two cup sizes. On it for PMDDD, first month in I have noticed less anxiety and mood swings. Hoping it continues!
Somewhat positive mood
0 helpful
0 comments
Used for 1 - 3 mo
32 years old
🇺🇸 US
• 29th Mar 26
I have been on this for 2 days, day 1 I had unmanageable migraines that made me want to cry and lower back pain, day 2 I am experiencing migraines and severe abdominal cramps and lower back pain. I dont know if I want to take this another day 😕
Somewhat negative mood
0 helpful
0 comments
Used for 1 - 3 mo
40 years old
🇺🇸 US
• 27th Mar 26
I was really hopeful about starting Slynd. My purpose for starting Slynd was not a kit birth control but more about controlling heavy, painful periods, as well as the bodily changes as I entered my 40s. My previous experience with birth control has not been great, however I remained hopeful. Unfortunately, I could only take the side effects from Slynd for a little over 2 months. As a health professional, I understand that these medications require time, but this was making my life more miserable. Here are some of the side effects I experienced: Month 1 through Month 2 Late period (10-12 days late) Prolonged period (over 2 weeks long) then continuous spotting Nausea daily Migraine Pimples (I’ve never experienced this many pimples in my entire life!) Cramping (during missed period & during period) Fatigue (extreme) Back pain By the 3rd pack, I gave up due to increased cramping, back pain with spotting and increased irritability from the pain. At this point, I’ve gone from regular heavy, painful periods to daily, painful spotting. I’m definitely not myself and would like to end this misery! I truly don’t believe in giving up, I understand every woman is different. This birth control is just not for me!
Somewhat negative mood
3 more effects
0 helpful
0 comments
Used for 1 - 3 mo
19 years old
🇺🇸 US
• 19th Mar 26
i have had really bad headaches on this pill, and i never had headache before taking it. i have also had a large amount of bleeding, i bled for 11 days 2 weeks into taking my first pack and I also had lost part of my uterine lining at the begging of those 11 days. since then i have had spotting which i also have never had before. i am considering taking a new pill but i don't know which one yet.
Worse skin
1 more effect
0 helpful
0 comments
Used for 1 - 3 mo
34 years old
🇺🇸 US
• 28th Feb 26
I like Slynd except it has caused almost daily headaches. No effect on libido which I always have with estrogen-containing pills, but high is great. But more spotting than normal.
Very positive mood
0 helpful
0 comments
Used for 12 - 18 mo
Lowdown user
🇺🇸 US
• 11th Feb 26
I had break through bleeding for about the first 4 months. After my period stopped completely. I'm a bit more tired, but no depression or mood swings.
Improved skin
2 more effects
0 helpful
0 comments
Used for 3 - 6 mo
25 years old
🇺🇸 US
• 10th Feb 26
I do have a heart problem hence as to why my obgyn has switched me to a progestin only bc. I do like that i dont get my period anymore but i HATE the vaginal dryness. Im considering moving on to something else because i cant take it anymore honestly.
Somewhat negative mood
3 more effects
0 helpful
0 comments
Used for 18 mo - 3 yr
39 years old
🇺🇸 US
• 10th Oct 25
I gained weight on slynd when I stopped nursing my baby. I gained weight in areas I normally don't gain weight in despite dieting and intense workouts. Weight is not really coming off despite being off the birth control.
Somewhat negative mood
3 more effects
1 helpful
0 comments
Used for 3 - 6 mo
28 years old
🇺🇸 US
• 16th Aug 25
i was on the traditional mini pill for almost a year before switching to slynd. slynd fixed all of the issues I had on the other POP. I did not have breakthrough bleeding, irregular periods or a depressed mood with Slynd. it was a major win-at first. I suddenly noticed I was gaining weight, by month two on slynd I had gained 3-4 pounds, and by the time I quit in month 5 I had gained 11 pounds. 11 pounds in 5 months is insane! I did not change my eating or workouts, so I believe it really was this pill.
Improved skin
2 more effects
1 helpful
0 comments

